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1 Why is the Sun's Atmosphere Hotter than its Surface? - NASA
https://www.nasa.gov/feature/goddard/sounding-rockets/strong-evidence-for-coronal-heating-theory-presented-at-2015-tess-meeting
Clear evidence now suggests that the intense heat of the sun's atmosphere depends on explosive bursts, not continuous heating.
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2 Ask a Solar Physicist
http://solar-center.stanford.edu/FAQ/Qcorona.html
Thus, the Sun is hotter on the inside than it is on the outside. However, the outer atmosphere of the Sun, the corona, is indeed hotter than the underlying ...
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3 Why is the corona of the Sun much hotter than the surface?
https://www.quora.com/Why-is-the-corona-of-the-Sun-much-hotter-than-the-surface
It is because most of the hot air rise up from the photosphere to the corona which cause the temperature in the corona to be extremely high.
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4 Sun's atmosphere, corona much hotter than its surface: Here's ...
https://www.business-standard.com/article/current-affairs/sun-s-atmosphere-corona-much-hotter-than-its-surface-here-s-why-117101400206_1.html
The corona is hundreds to thousands of times hotter than the Sun's visible surface, the photosphere. Because the Sun produces heat at its core, ...
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5 Why is the sun's corona the hottest layer when it is farther from ...
https://www.scientificamerican.com/article/why-is-the-suns-corona-th/
Because the coronal material is so thin and tenuous, only a tiny portion of all the sound energy in the photosphere needs to bleed up into the ...
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6 why is the Sun's atmosphere hotter than its surface?
https://theconversation.com/curious-kids-why-is-the-suns-atmosphere-hotter-than-its-surface-166747
While the Sun also has a North and South pole, its magnetic field behaves differently to Earth's and looks a lot messier. At the surface of the ...
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7 The Sun's sizzling corona is so hot thanks to tiny nanoflares ...
https://astronomy.com/news/2020/06/the-suns-sizzling-corona-is-so-hot-thanks-to-tiny-nanoflares-new-evidence-suggests
Our Sun's outer atmosphere is mysteriously much hotter than its surface. But now, the detection of numerous tiny bursts of energy has ...
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8 Why Is The Sun's Corona Hotter Than Its Surface?
https://www.sciencefriday.com/segments/why-is-the-suns-corona-hotter-than-its-surface/
Actually, the protons from hydrogen. There are also the electrons. They've all separated from each other because they're so hot. There's helium, ...
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9 The sun's atmosphere: Photosphere, chromosphere and corona
https://www.space.com/17160-sun-atmosphere.html
As the gases cool, they become the solar wind. Why the corona is up to 300 times hotter (opens in new tab) than the photosphere, despite being ...
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10 Why is Sun's Atmosphere 500 Times Hotter Than its Surface ...
https://www.news18.com/news/buzz/why-is-suns-atmosphere-500-times-hotter-than-its-surface-scientists-have-an-answer-3778826.html
The Sun's corona has carried an age-old mystery within. The temperature of the Sun's blazing surface is about 5,500 degrees Celsius but if you ...
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11 The Sun's Corona (Upper Atmosphere)
https://scied.ucar.edu/learning-zone/sun-space-weather/solar-corona
The temperature in the corona is more than a million degrees, surprisingly much hotter than the temperature at the Sun's surface which is around 5,500° C ...
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12 Why Is The Sun's Atmosphere Hotter Than Its Surface?
https://www.scienceabc.com/eyeopeners/why-is-the-suns-atmosphere-hotter-than-its-surface.html
The sun's atmosphere is hotter than its surface because of the wave heating theory and the eruption of nano flares as the result of magnetic ...
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13 Heating mechanisms of the solar corona - PMC - NCBI
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5422629/
However, due to the second law of thermodynamics, heat cannot flow from the photosphere to the corona to raise the coronal temperatures hotter than the ...
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14 Why is The Sun's Atmosphere Hotter Than Its Surface? We're ...
https://science.thewire.in/aerospace/why-is-the-suns-atmosphere-hotter-than-its-surface-were-starting-to-find-out/
The high temperatures of the corona cause it to expand into space as a continuous outflow of plasma called the solar wind. But how the sun ...
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15 Hotter than the sun: The mysterious solar corona
https://knowablemagazine.org/article/physical-world/2019/solar-corona-temperature
The solar wind doesn't slow down as it leaves the sun — it speeds up. Some particles shoot out of the corona with so much energy that they ...
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16 Stellar corona - Wikipedia
https://en.wikipedia.org/wiki/Stellar_corona
The Sun's corona is much hotter (by a factor from 150 to 450) than the visible surface of the Sun: the · The corona is not always evenly distributed across the ...
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17 Light shone on star mystery: Why sun's corona is much hotter ...
https://www.sciencedaily.com/releases/2013/02/130204094608.htm
› releases › 2013/02
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18 The Solar Atmosphere
https://courses.ess.washington.edu/ess-102/FALL12/Lecture18_SolarAtmosphere2.pdf
The chromosphere is hotter than the photosphere and reaches up to 20,000K. ... Corona: The corona is the largest, hottest, and least massive part.
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19 Why is the Sun's corona so hot? Why are prominences so cool?
https://physicstoday.scitation.org/doi/10.1063/PT.3.3659
Since the 1940s astronomers have known that the corona is a million kelvin hotter than the photosphere, the Sun's visible surface.
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20 Why is Sun's atmosphere hotter than its surface?
https://physics.stackexchange.com/questions/697523/why-is-suns-atmosphere-hotter-than-its-surface
Below the photosphere the density is too high for atoms to exist (the interior of the sun is just a plasma of bare nuclei and electrons). The ...
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21 How can the corona of the sun be hotter than the surface?
https://www.reddit.com/r/askscience/comments/25srx7/how_can_the_corona_of_the_sun_be_hotter_than_the/
Despite the corona being over a million degrees K, due to it's low density, there is far more energy stored down below, in the chromosphere and photosphere. We ...
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22 Chromosphere and corona - Sun - Encyclopedia Britannica
https://www.britannica.com/place/Sun/Chromosphere-and-corona
But radio measurements, a particularly accurate means of measuring the temperature, show it to be only 8,000 K, somewhat hotter than the photosphere.
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23 Solved The Sun's corona is much hotter than the photosphere
https://www.chegg.com/homework-help/questions-and-answers/sun-s-corona-much-hotter-photosphere-bright-granulation-photosphere-allows-generate-energy-q71497460
Question: The Sun's corona is much hotter than the photosphere, but it is not as bright because the granulation on the photosphere allows it to generate ...
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24 Why is the Sun's atmosphere hotter than the surface? Parker ...
https://www.firstpost.com/tech/science/why-is-the-suns-atmosphere-hotter-than-the-surface-parker-probes-data-likely-to-find-out-7756801.html
The high temperatures of the corona cause it to expand into space as a continuous outflow of plasma called the solar wind. But how the sun ...
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25 13.2: The Solar Atmosphere - Physics LibreTexts
https://phys.libretexts.org/Courses/HACC_Central_Pennsylvania's_Community_College/Astronomy_103%3A_Introduction_to_Planetary_Astronomy/13%3A_The_Sun/13.02%3A_The_Solar_Atmosphere
With a temperature of about 1 million K, the corona is significantly hotter than the chromosphere, indicating that it must have a source of ...
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26 Why is Sun's surface cooler than its atmosphere ... - India Today
https://www.indiatoday.in/science/story/sun-solar-corona-fission-nasa-magixs-mission-jpl-isro-1836084-2021-08-03
While it has several hidden secrets about its functioning, one of the biggest mysteries is of the solar corona, the outermost part of the Sun's ...
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27 Chromosphere - Universe Today
https://www.universetoday.com/47573/chromosphere/
One surprising mystery is that the chromosphere is actually hotter than the photosphere. While the photosphere hovers around 5,800 kelvin, ...
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28 Why is the Sun's Outer Atmosphere Hotter than its Surface?
https://www.labroots.com/trending/space/19507/sun-s-outer-atmosphere-hotter-surface-2
From their data, they noted that heavy elements, including silicon, became much hotter and more energetic than lighter elements such as oxygen, ...
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29 Why is the Sun's corona so hot? Why are prominences so cool?
https://project.ifa.hawaii.edu/solarwindsherpas/wp-content/uploads/sites/2/2017/07/Physics_Today_2017.pdf
a million kelvin hotter than the photosphere, the Sun's visible surface. ... The high temperature of the solar corona was deduced in four.
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30 Sun's atmosphere is hundreds of times hotter than its surface
https://www.udayavani.com/english-news/suns-atmosphere-is-hundreds-of-times-hotter-than-its-surface-heres-why
Edlen and Grotrian's finding that the sun's corona is so much hotter than the photosphere – despite being further from the sun's core, its ...
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31 Science With Solar Eclipses
https://www.unco.edu/news/pdf/science_with_eclipses.pdf
The corona is actually over 100 times hotter than the photosphere but because the gas in it is so thin, it emits about a million times less light. This means ...
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32 NASA'S Parker Solar Probe Touches The Sun's Searing ...
https://www.forbes.com/sites/brucedorminey/2021/12/15/nasas-parker-solar-probe-touches-the-suns-searing-upper-atmosphere/
For the first time ever, a manmade object has entered the Sun's outer atmosphere, the corona, which inexplicably is thousands of times hotter ...
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33 Mysteries of solar corona - IAS Gyan
https://www.iasgyan.in/daily-current-affairs/mysteries-of-solar-corona
The corona is in the outer layer of the Sun's atmosphere—far from its surface. Yet the corona is hundreds of times hotter than the S.
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34 Observing the Roots of Solar Coronal Heating ... - NASA/ADS
https://ui.adsabs.harvard.edu/abs/2009ApJ...701L...1D
Abstract. The Sun's corona is millions of degrees hotter than its 5000 K photosphere. This heating enigma is typically addressed by invoking the deposition ...
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35 Why Does the Solar Corona Abnormally Rotate Faster Than ...
https://iopscience.iop.org/article/10.3847/1538-4357/ab0f3a
This is the reason why the coronal atmosphere is found here to rotate faster than the photosphere. Therefore, surprisingly, the coronal ...
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36 Corona - chemeurope.com
https://www.chemeurope.com/en/encyclopedia/Corona.html
The Sun's corona is much hotter (by a factor of nearly 200) than the visible surface of the Sun: the photosphere's average temperature is 5800 kelvin ...
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37 Introduction to Astronomy - Physics
https://physics.weber.edu/palen/phsx1040/Lectures/Lsun.html
The corona is hotter. Sunspots are cooler. AND, the temperature of the photosphere increases as you move towards the center. Does this seem weird? Yes. Because ...
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38 (PDF) Why is the Sun's Corona so Hot? X-rays and Ultraviolet ...
https://www.researchgate.net/publication/237391357_Why_is_the_Sun's_Corona_so_Hot_X-rays_and_Ultraviolet_Emission_from_the_Solar_Atmosphere
photosphere, but the bulk of the solar atmosphere consists of the. corona, where the temperature exceeds one million K (much hotter. locally).
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39 Why the sun's corona is hotter than its surface - ZME Science
https://www.zmescience.com/research/why-sun-corona-is-hotter-than-surface-03421432/
› Space › Astrophysics
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40 The heating of the solar corona - University of St Andrews
https://risweb.st-andrews.ac.uk/portal/en/researchoutput/the-heating-of-the-solar-corona(3d977767-35f9-4a7b-8463-94165c6022e4).html
This is several orders of magnitude hotter than the photosphere, the optical surface of the Sun, below, and a mystery that has baffled ...
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41 How Hot Is the Sun? - Wonderopolis
https://www.wonderopolis.org/wonder/how-hot-is-the-sun/
At its surface (called the "photosphere"), the sun's temperature is a whopping 10,000° F! That's about five times hotter than the hottest lava on Earth.
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42 Astronomy Test #1 Flashcards - Quizlet
https://quizlet.com/71892313/astronomy-test-1-flash-cards/
Why is the solar corona so much hotter than the photosphere? Energy is carried upward through the chromosphere by disturbed and tangled magnetic fields.
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43 Why the Corona of the Sun is Hotter than the Photosphere
https://vixra.org/abs/1308.0038
It is explained in this paper why the corona of the Sun is hotter than the photosphere. This is known as the corona heating problem and it has been solved ...
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44 Surfing for Sunbeams: The Corona is Hot - Solar Physics at MSU
https://solar.physics.montana.edu/ypop/Spotlight/Tour/tour05.html
The corona is millions of degrees hotter than the surface of our Sun. The mystery is that astronomers don't know why the corona is so hot!!!
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45 Why is the sun's corona so hot? X-rays and ultraviolet ... - JSTOR
https://www.jstor.org/stable/24104942
photosphere, but the bulk of the solar atmosphere consists of the corona, where the temperature exceeds one million K (much hotter locally).
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46 [22] Solar Structure (11/16/17) - UMd-Astronomy
https://www.astro.umd.edu/~miller/teaching/astr120f17/class22.pdf
In-Class Quiz. 1. Which statement about solar structure is true? A. The corona is hotter and denser than the photosphere. B. The corona is hotter but less ...
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47 How NASA Probe Beat the Heat to Become First Spacecraft to ...
https://www.newsweek.com/how-nasa-spacecraft-beat-heat-touch-sun-first-parker-solar-probe-nasa-corona-1659557
Despite being hotter than the surface of the sun, the corona is usually not visible because the light from the photosphere drowns out its ...
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48 Carrying Energy to the Corona with Waves - AAS Nova
https://aasnova.org/2017/11/08/carrying-energy-to-the-corona-with-waves/
The corona, the outer layer of the Sun's atmosphere, has typical temperatures of 1–3 million K — significantly hotter than the cool 5,800 K ...
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49 The Sun - Parker Solar Probe
http://parkersolarprobe.jhuapl.edu/The-Sun/index.php
the corona is unstable, producing the solar wind, flares and coronal mass ejections – we ... Why is the solar corona so much hotter than the photosphere?
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50 Lecture 7: From the Photosphere to the Hot Corona
http://www.physics.usyd.edu.au/~cairns/teaching/2010/lecture7_2010.pdf
The central problem then is that the corona is much hotter than the Sun's photosphere, but the energy to heat the corona originates below the photosphere.
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51 Heating the solar corona by plasma loops
https://www.aanda.org/articles/aa/pdf/2006/33/aa4400-05.pdf
plain why the corona is so much hotter than the photosphere, this problem remains unsolved (e.g. see Zirker 1993a; Aschwanden.
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52 Photosphere - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/photosphere
The solar corona has a temperature of millions of degrees kelvin, hundreds of times hotter than the underlying visible solar disk whose effective ...
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53 Solar Structure - The Sun Today with Dr. C. Alex Young
https://www.thesuntoday.org/sun/solar-structure/
The corona starts around 10,000 km above the solar photosphere. The corona is usually hidden by the bright light of the Sun's surface. That makes it difficult ...
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54 "Hinode", the chromosphere, magnetic waves, and coronal ...
https://www.isas.jaxa.jp/en/feature/forefront/160229.html
The solar atmosphere consists of three layers: the photosphere (whose temperature is about 6,000 degrees), chromosphere (10,000 degrees), and corona (1 million ...
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55 How hot is the Sun? | Surface Temperature & Variance
https://nineplanets.org/questions/how-hot-is-the-sun/
Thus, the Sun's corona is hundreds of times hotter than its layers below. What is interesting is that we assumed the temperatures to be the coolest in the ...
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56 The Solar Wind - Richard Fitzpatrick
https://farside.ph.utexas.edu/teaching/plasma/lectures/node66.html
respectively. Note that the corona is far hotter than the solar atmosphere, or photosphere. In fact, the temperature of the photosphere is only about $6000$ ...
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57 Heating the Solar Corona - Cambridge University Press
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/F841832F2B7ABFDB89797F3785526AAB/S1539299600015276a.pdf/heating-the-solar-corona.pdf
A typical temperature for the quiet solar corona is ~ 1.5 x 106K, whereas ... the corona is so much hotter than the photosphere, this old problem remains.
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58 The Eight Layers of the Sun - The Old Farmer's Almanac
https://www.almanac.com/content/eight-layers-sun
The Sun is Hotter Than Hot! · Core · Radiative Zone · Tachocline · Convective Zone · Photosphere · Chromosphere · Transition Region · Corona.
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59 Bursts in the chromosphere up to million Kelvin temperature
https://est-east.eu/index.php?option=com_content&view=article&id=809&lang=en
Although one would expect the temperature of the Sun to be lower the further away from the surface, the reality is that the solar corona is much hotter than ...
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60 Why Is The Sun's Outer Layer 200 Times Hotter Than Its ...
https://www.iflscience.com/why-suns-outer-layer-200-times-hotter-one-below-30275
However, this couldn't be further from the truth. Instead of being the coolest layer, the corona is around 200 times hotter than the layer ...
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61 Corona | COSMOS
https://astronomy.swin.edu.au/cosmos/c/Corona
At a temperature of several million degrees, the corona is hotter than the surface of the Sun, and glows at X-ray wavelengths. The often irregularly-shaped ...
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62 Why Does the Solar Corona Abnormally Rotate ... - X-MOL
https://www.x-mol.com/paperRedirect/1414880495302545408
Small-scale magnetic activity not only makes the corona hotter, but also makes the corona rotate faster than the underlying photosphere. In ...
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63 Glossary of Space Weather-Related Terms
https://www.spaceweathercenter.org/glossary/001/01.html
It is hotter than the photosphere but not as hot as the corona. At these higher temperatures hydrogen emits light that gives off a reddish color (called H-alpha ...
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64 Does The Sun Have An Atmosphere? - WorldAtlas
https://www.worldatlas.com/space/does-the-sun-have-an-atmosphere.html
The corona is 300 times hotter than the chromosphere at two-million degrees Fahrenheit. Strong magnetic fields stop the extremely strong ...
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65 Lecture 9: The Sun's Photosphere and Chromosphere
https://sites.ualberta.ca/~pogosyan/teaching/ASTRO_122/lect9/lecture9.html
The corona extends outwards for more than a solar radius. The size of the atmosphere ... Hotter inner layer will be brighter than the cooler outer layer.
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66 Why is the Sun's atmosphere much hotter than its surface
https://www.indiatvnews.com/science/news-why-is-the-sun-s-atmosphere-much-hotter-than-its-surface-406552
The corona is hundreds to thousands of times hotter than the Sun's visible surface, the photosphere. ... Scientists have found that small solar ...
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67 Astrophysicists Just Saw an Amazing Structure in the Sun's ...
https://www.livescience.com/63217-sun-corona-structure-found.html
... including why the sun's corona is 300 times hotter than the lower atmosphere, called the photosphere. Original article on Live Science.
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68 13.3 Outer Layers of the Sun - CK-12
https://www.ck12.org/book/ck-12-earth-science-concepts-for-middle-school/r82/section/13.3/
With a temperature of 1 to 3 million K, the corona is much hotter than the photosphere. The corona extends millions of kilometers into space ...
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69 Our solar system: The sun information and facts
https://www.nationalgeographic.com/science/article/the-sun
The corona runs far hotter than the photosphere, hitting temperatures of more than a million degrees Fahrenheit. How the corona gets so hot ...
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70 Long-Standing Conundrum On The Sun's Atmosphere Solved
https://www.jatinverma.org/long-standing-conundrum-on-the-suns-atmosphere-solved
However, the temperature of the corona is much higher. It starts increasing outside the photosphere, reaching a value of about one million ...
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71 Hw #7 The sun-2 - notes/ assignment - StuDocu
https://www.studocu.com/en-us/document/san-diego-state-university/astronomy/hw-7-the-sun-2-notes-assignment/39561416
The Sun's corona is much hotter than the photosphere, but it is not as bright because a. the density of the corona is much lower, so the corona does not emit as ...
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72 Twisting in the solar wind - Document - Gale Academic OneFile
https://go.gale.com/ps/i.do?id=GALE%7CA13895639&sid=googleScholar&v=2.1&it=r&linkaccess=abs&issn=0036861X&p=AONE&sw=w
Couldn't the corona be heated by the transfer of radiant energy from the photosphere? No. That is not an option, because according to the second law of ...
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73 Why is the Sun's atmosphere much hotter than its surface
https://odishatv.in/science/why-is-the-suns-atmosphere-much-hotter-than-its-surface-248549
The corona is hundreds to thousands of times hotter than the Sun's visible surface, the photo-sphere. Because the Sun produces heat at its ...
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74 The Coronal Heating Problem - ESSOAr
https://www.essoar.org/doi/10.1002/essoar.10502697.1
The solar corona, the outer atmosphere of the Sun, is heated to millions of degrees. This is several orders of magnitude hotter than the ...
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75 Why is the Sun's atmosphere much hotter than the surface? -
https://spacecue.news/2021/12/21/why-atmosphere-sun-hot-surface-corona-photosphere-plasma-solar-wind-alfven-waves/
The different layers characteristic of our star, the Sun. In the outermost region we can see the photosphere, chromosphere, and corona, layers affected by large ...
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76 The Solar Corona & Solar Wind - Video & Lesson Transcript
https://study.com/academy/lesson/the-solar-corona-solar-wind.html
Instead, the photosphere, the layer closest to the hotter inner parts of the sun, has a temperature of 5,800 Kelvin, and the outer corona has ...
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77 what does the corona of the sun do
https://www.cutacut.com/iufqh6rr/what-does-the-corona-of-the-sun-do
The Sun's corona is much hotter (by a factor from 150 to 450) than the visible surface of the Sun: the photosphere's average temperature is ...
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78 Our Sun: the view from outside
http://spiff.rit.edu/classes/phys230/lectures/sun_gross/sun_gross.html
The Sun's atmosphere becomes less dense as one moves outwards and upwards. Above the photosphere is a layer called the chromosphere. The gas here is hotter than ...
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79 How Hot Is the Sun? - Bangladesh Post
https://bangladeshpost.net/posts/how-hot-is-the-sun-82988
The temperature at the corona is hundreds of times hotter than the layers below it. The corona cools with time and it starts to lose ...
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80 Our Sun - A Closer Look - Astronomy Online
http://astronomyonline.org/SolarSystem/SunDetails.asp
Because the Corona extends several million kilometers into space, there is a lot of room for molecules to move. It is this movement that is the source of the ...
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81 Outer layers
https://www.mssl.ucl.ac.uk/www_astro/outreach/School/Sun/composition.html
Because of its high temperature, the solar corona is a source of x rays and a photo of it shows that the corona has loops and both dark and bright regions. You ...
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82 Solar Corona During the Total Solar Eclipse of August 1, 2008 ...
https://epod.usra.edu/blog/2018/01/encore-solar-corona-during-the-total-solar-eclipse-of-august-1-2008.html
The solar corona is millions of degrees hotter than the Sun's surface (photosphere) but is perhaps 10 billion times less dense than Earth's ...
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83 Heating mechanisms of the solar corona - J-Stage
https://www.jstage.jst.go.jp/article/pjab/93/2/93_PJA9302B-03/_pdf/-char/en
than that of the photosphere (1017 cm !3. ), the thermal energy density of the corona (although it is 200–300 times hotter than the photosphere) is ...
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84 Sun's atmosphere much hotter than its surface - Sambad English
https://sambadenglish.com/suns-atmosphere-much-hotter-than-its-surface/
The corona is hundreds to thousands of times hotter than the Sun's visible surface, the photosphere. RELATED. Pisces 13 November 2022 Horoscope ...
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85 Temp increase of sun from photosphere to corona
https://www.physicsforums.com/threads/temp-increase-of-sun-from-photosphere-to-corona.29696/
The chromosphere is hotter than the photosphere from (1) photosphere EM radiation (whole spectrum) (2) strong magnetic disturbances ...
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86 The Sun -- Our Star - Department of Astronomy
https://people.astro.umass.edu/~hjmo/astro100/notes/sun.html
Although the corona is much fainter than the photosphere, it is much, much hotter: about 1 million degrees K! (How does this show that the corona is NOT a ...
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87 Chaotic Magnetic Field Lines May Answer the Coronal ...
https://publishing.aip.org/publications/latest-content/chaotic-magnetic-field-lines-may-answer-the-coronal-heating-problem/
WASHINGTON D.C., August 9, 2017 — It is known that the sun's corona — the outermost layer of the sun's atmosphere — is roughly 100 times hotter ...
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88 How much Metal does the Quiet Sun Corona contain?
https://cosmicvarta.in/lakshitha_solar_article_quiet_sun
The Corona is mainly visible in UV and X rays. This is because the hotter a material is, the light coming from it will be of higher energy. You ...
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89 Corona - NSO - National Solar Observatory
https://nso.edu/for-public/sun-science/corona/
The corona's edges and structure are in constant motion driven and controlled by the Sun's intense magnetic fields. The region is much hotter than the Sun ...
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90 Scientists now know what heats the solar corona
https://scienceinpoland.pap.pl/en/news/news%2C413542%2Cscientists-now-know-what-heats-the-solar-corona.html
But it is different on the Sun. The solar corona is much hotter than the layers closer to the solar core. Scientists have long wondered why this ...
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91 Magnetic carpets and hot coronae | Astronomy & Geophysics
https://academic.oup.com/astrogeo/article/43/4/4.16/342779
Solar physicists have known for many decades now that the outer atmosphere of the Sun, the solar corona, is some 200 times hotter than the ...
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92 On the dynamics of spicules and mass flows in the solar ...
https://arxiv.org/abs/2110.10656
For example, it is largely unknown why the outermost layer of the Sun's atmosphere (the solar corona) is so much hotter than the photosphere ...
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93 Why the outer edge of the Sun hotter than the surface of the ...
http://saypeople.com/2013/02/04/why-the-outer-edge-of-the-sun-hotter-than-the-surface-of-the-sun/
It is present between the surface of the Sun, i.e. photosphere, and the outer layer of the Sun, i.e. corona. For a long time, astronomers were ...
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94 new observations of the solar 0.5–5 kev soft x-ray spectrum
https://www.osti.gov/biblio/22518823
The solar corona is orders of magnitude hotter than the underlying photosphere, but how the corona attains such high temperatures is still ...
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95 The Sun
https://sceweb.uhcl.edu/blanford/ASTR3131SQSun.htm
If the temperature of the core of the Sun were less than the surface ... heating in the chromosphere and corona that makes them hotter than the photosphere.
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96 The coronal heating problem - DiVA Portal
http://www.diva-portal.org/smash/get/diva2:192438/FULLTEXT01.pdf
6000 K solar photosphere surrounded by a corona that has a temperature of more than one ... million K, much hotter than the photosphere and the sunspots.
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97 What's hotter than the surface of the Sun? - The Independent
https://www.independent.co.uk/news/science/what-s-hotter-than-the-surface-of-the-sun-9646253.html
While the visible surface of the Sun, the photosphere, reaches temperatures of 6,000 degrees Kelvin or 5,700 degrees Celsius, the star's ...
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98 Sun's Corona - INSIGHTSIAS
https://www.insightsonindia.com/2020/06/03/suns-corona/
The corona's high temperatures are a bit of a mystery. Astronomers have been trying to solve this mystery for a long time. The corona is in the ...
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