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1 How quickly does a supernova happen? - Phys.org
https://phys.org/news/2015-04-quickly-supernova.html
The outer edges of the core collapse inward at 70,000 meters per second, about 23% the speed of light. In just a quarter of a second, infalling ...
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2 How Quickly Does a Supernova Happen? - Universe Today
https://www.universetoday.com/119733/how-quickly-does-a-supernova-happen/
If the core collapse inwards at about 23% the speed of light then this would be about 70,000 kilometers (roughly 43,500 miles) per second rather ...
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3 How long does the supernova stage of a star last? (Intermediate)
http://curious.astro.cornell.edu/physics/85-the-universe/supernovae/general-questions/419-how-long-does-the-supernova-stage-of-a-star-last-intermediate
The explosion of a supernova occurs in a star in a very short timespan of about 100 seconds. When a star undergoes a supernova explosion, it dies leaving behind ...
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4 How fast does a supernova develop? - Quora
https://www.quora.com/How-fast-does-a-supernova-develop
The answer depends on the which part of the universe you are referring to. On average, one supernova (SN) occurs every 50 years in a typical galaxy such as our ...
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5 Supernova - Wikipedia
https://en.wikipedia.org/wiki/Supernova
Supernovae can expel several solar masses of material at velocities up to several percent of the speed of light. This drives an expanding shock wave into ...
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6 Debris from Stellar Explosion Not Slowed After 400 Years
https://chandra.harvard.edu/blog/node/768
The fastest knot was measured to have a speed of 23 million miles per hour, the highest speed ever detected of supernova remnant debris in X- ...
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7 A supernova could light up the Milky Way at any time ... - Nature
https://www.nature.com/articles/d41586-022-00425-8
The Supernova Early Warning System (SNEWS) is a network involving Super-K and several other neutrino observatories. It includes IceCube, an ...
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8 How fast would a supernova kill us all? : r/space - Reddit
https://www.reddit.com/r/space/comments/ac3b9v/how_fast_would_a_supernova_kill_us_all/
Just as a quick check: the Crab nebula (which is a supernova remnant) is still expanding at something like 1500 km/s over a thousand years after ...
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9 Supernova Shockwave Streaks Through Space at 8 Miles Per ...
https://www.space.com/22446-supernova-shockwave-speed.html
Scientists have captured the blast from a supernova 10000 light-years away in a cosmic speed trap, clocking the shockwave from the dead ...
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10 How long does it take for stars to explode? - Ask an Astronomer
https://askanastronomer.org/stars/2015/11/19/exploding-stars/
As for the explosions themselves, they indeed do not take long! Most supernova take a fraction of a second up to a couple seconds to explode.
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11 Is a supernova explosion faster than light? | Questions
https://www.thenakedscientists.com/articles/questions/supernova-explosion-faster-light
But fundamentally no. Nothing can go faster than the speed of light. In a supernova things would get very very close and be very energetic, but ...
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12 What's a safe distance from a supernova? - EarthSky
https://earthsky.org/astronomy-essentials/safe-distance-from-a-supernova-earth/
› Astronomy Essentials
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13 What Is a Supernova? | NASA Space Place
https://spaceplace.nasa.gov/supernova/
The collapse happens so quickly that it creates enormous shock waves that cause the outer part of the star to explode! Usually a very dense core is left behind, ...
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14 Illuminating Dark Energy with Supernovae | American Scientist
https://www.americanscientist.org/article/illuminating-dark-energy-with-supernovae
Supernovae emit bright light and release large amounts of energy. Astronomers study the properties of light and energy from supernovae to determine how quickly ...
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15 supernova remnant | astronomy - Britannica
https://www.britannica.com/science/supernova-remnant
Much of the radiation from supernova remnants is synchrotron radiation, which is produced by electrons spiraling in a magnetic field at almost the speed of ...
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16 This Is How We'd All Die Instantly If The Sun Suddenly Went ...
https://www.forbes.com/sites/startswithabang/2019/12/27/this-is-how-wed-all-die-instantly-if-the-sun-suddenly-went-supernova/
As far as raw explosive power goes, no other cataclysm in the Universe is both as common and as destructive as a core-collapse supernova.
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17 What is a supernova? - Space Center Houston
https://spacecenter.org/what-is-a-supernova/
The collapse happens so quickly that it creates enormous shock waves that cause the outer part of the star to explode!” That resulting explosion ...
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18 At 1.4 Million Mph, Astronomers Detected One of The Fastest ...
https://www.sciencealert.com/a-star-exploded-so-hard-its-collapsed-core-got-kicked-into-space-at-1-4-million-miles-per-hour
When massive stars die, they don't do so quietly. Their deaths are spectacularly brilliant affairs that light up the cosmos, a supernova ...
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19 How dangerous are supernova explosions?
https://supernova.eso.org/exhibition/1218/
A supernova explosion produces X-rays and blasts waves of fast particles that would render a planet like Earth uninhabitable if the explosion happened in ...
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20 Catch a failing star: the tense wait for a supernova
https://www.theguardian.com/science/2022/may/01/catch-a-failing-star-the-tense-wait-for-a-supernova
While scientists are confident a supernova will occur in 2022, whether it occurs in our galaxy is a different matter. In any given year, it is ...
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21 Astronomers Watch a Star Die and Then Explode as a ...
https://scitechdaily.com/astronomers-watch-a-star-die-and-then-explode-as-a-supernova-for-the-very-first-time/
They watched as the star convulsed in its death throes before finally exploding as a supernova. And their observations contradict previous thinking into how red ...
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22 When Does a Neutron Star or Black Hole Form After a ...
https://public.nrao.edu/ask/when-does-a-neutron-star-or-black-hole-form-after-a-supernova/
In a supernova, is the remnant neutron star/ black hole there ... a million years or more depending on how quickly it accretes the material.
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23 Supernovae - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/physics-and-astronomy/supernovae
However, because of the fast ejection velocities, typically 10,000 km/sec—3% of the speed of light—the spectral features are highly Doppler-broadened and ...
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24 When Will the Next Supernova in Our Galaxy Occur? | Science
https://www.smithsonianmag.com/science-nature/when-will-the-next-supernova-in-our-galaxy-occur-180980422/
Because gravitational waves would emanate from the core of a supernova, “they'll give us information about how stars actually explode—which has ...
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25 A 10 billion-year-old supernova will soon replay before our ...
https://www.livescience.com/supernova-requiem-rerun-dark-matter
Known as Supernova Requiem, the faint glint of an ancient, 10 billion-year-old explosion is expected to reappear in the sky sometime around the ...
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26 An Unusually Fast-Evolving Supernova - Science
https://www.science.org/doi/10.1126/science.1181709
SN 1994I (21) is often cited as a "fast" SN Ic; SN 2003gs (22) was recently presented as one of the fastest SNe Ia; and SN 2008ha ( ...
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27 Researchers capture the fastest optical flash emitted from a ...
https://www.sciencedaily.com/releases/2021/12/211209095621.htm
Most massive stars will explode as a supernova. ... but have never seen such a fast and prominent early emission in optical wavelengths.
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28 Stunning Supernova May Have Been Visible In The Night Sky ...
https://www.iflscience.com/stunning-supernova-may-have-been-visible-in-the-night-sky-in-the-middle-ages-65370
Over 160,000 years ago a white dwarf went supernova in the nearby dwarf ... view of how fast the shock wave from the explosion is expanding.
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29 Fast-Flying Black Hole Yields Clues to Supernova Origin
https://hubblesite.org/contents/news-releases/2002/news-2002-30.html
The stellar-mass black hole, called GRO J1655-40, is streaking across space at a rate of 250,000 miles per hour, which is four times faster than the average ...
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30 Gamma ray bursts could help unravel how fast the universe is ...
https://www.newscientist.com/article/2331727-gamma-ray-bursts-could-help-unravel-how-fast-the-universe-is-expanding/
GRBs are the brightest events in the universe. They occur when huge stars die in supernova explosions or when massive objects such as neutron ...
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31 A supernova's delayed reappearance could pin down the ...
https://www.sciencenews.org/article/supernova-sn-requiem-gravitational-lens-hubble-constant-universe-expansion
A meandering trek taken by light from a remote supernova in the constellation Cetus may help researchers pin down how fast the universe ...
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32 Analyzing Light: Supernova E0102 - ViewSpace
https://viewspace.org/interactives/unveiling_invisible_universe/analyzing_light/supernova_e0102
Quick Facts: Supernova E0102. Also known as: SN E0102-72.3 and SN010102-72. Distance from Earth: 190,000 light-years away in the Small Magellanic Cloud.
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33 What Would Happen if the Sun Went Supernova? - Futurism
https://futurism.com/what-would-happen-if-the-sun-went-supernova-2
In order for a star to go supernova, it has to have a mass greater than at least 8 solar masses. Although there is some debate about the exact threshold, the ...
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34 Supernovas & Supernova Remnants | Fresh Chandra News
https://chandra.si.edu/blog/taxonomy/term/5
... supernova remnants, which accelerate particles close to the speed of ... The shock waves were generated by the supernova explosion that ...
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35 Supernova neutrinos
https://neutrinos.fnal.gov/sources/supernova-neutrinos/
Information from a supernova can be used to learn more about neutrinos, such as how they change over long distances and setting limits on how massive they can ...
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36 What is a supernova? Are all stars destined to go through it?
https://interestingengineering.com/science/what-is-a-supernova-are-all-stars-destined-to-go-through-it
› science › what-is-a-...
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37 Interstellar Medium: Hot
http://abyss.uoregon.edu/~js/ast122/lectures/lec24.html
The infalling layers collapse so fast that they `bounce' off the iron core at close to the speed of light. The rebound causes the star to explode as a supernova ...
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38 Supernova Lesson for Kids | Study.com
https://study.com/academy/lesson/supernova-lesson-for-kids.html
Because they saw the supernova so quickly, scientists were able to gather information that will help them learn more about why and how supernovae explode, ...
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39 Three NASA Telescopes Combined to Capture a 670-Year ...
https://petapixel.com/2022/09/15/three-nasa-telescopes-combined-to-capture-a-670-year-old-supernova/
To chart the supernova the researchers compared Hubble images taken in 2010, 2011, and 2020 to measure how fast the blast wave moved from ...
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40 NASA's Chandra X-ray Observatory Watches Fast Blast Wave ...
https://www.sci.news/astronomy/chandra-fast-blast-wave-exploded-star-09798.html
“Some of this explosion debris is moving at even faster speeds of more than 17.7 million km per hour (11 million mph).” “The 2018 image shows ...
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41 Supernova - Sun.org
https://www.sun.org/encyclopedia/supernova
The explosions are so violent that they can accelerate the stellar material to as much as 10% of the speed of light. Strong shock waves emerge ...
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42 Not So Fast, Supernova: Highest-energy Cosmic Rays ...
https://www.mtu.edu/news/stories/2021/march/not-so-fast-supernova-highestenergy-cosmic-rays-detected-in-star-clusters.html
Those gigantic explosions do indeed propel atomic particles at the speed of light great distances. However, new research suggests even ...
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43 Record-breaking supernova manages to “X-ray” the entire ...
https://www.freethink.com/space/record-breaking-supernova-cow-event
What makes an explosion a Fast Blue Optical Transient? There must be a rapid increase in brightness; that's the “fast” part. You have to have ...
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44 Supernova
https://www.anisotropela.dk/encyclo/supernova.html
Quick explanation. A supernova is the violent explosion of a star ending its life. For a brief period, a supernova may outshine the remaining billions of ...
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45 How a Supernova Explodes - JSTOR
https://www.jstor.org/stable/24967637
The basic question is this: A supernova begins as a collapse, or implosion; how does it come about, then, that a major part of the star's mass is expelled? At.
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46 Measure the Age of Ancient Cosmic Explosions
https://lco.global/education/activities/calculate-the-age-of-ancient-cosmic-explosion/
Supernovae are the violent explosions of stars occurring at the end of their lives. On average, one supernova goes off every 50 years or so in our Galaxy.
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47 The Evolving Universe - Planet4589.org
https://planet4589.org/si/www/science/kidspot.html
Galaxies have a very bright center where nany stars are concentrated. In this image, Glaaxy M82 is experiencing thousands of supernova explosions at its core.
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48 supernova - Index
http://astro.vaporia.com/start/sn.html
A supernova (SN) is a stellar explosion substantially more energetic than an ordinary nova. It is often briefly brighter than an entire galaxy, and fades away ...
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49 A new nova just disappeared faster than ever. Here's why.
https://bigthink.com/starts-with-a-bang/nova-disappear/
The fastest nova ever, V1674 Hercules, has just been observed, and a supernova may be soon to follow. (Credit: Mark Garlick). Key Takeaways.
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50 Astronomers just spotted the fastest supernova we've seen so far
https://www.zmescience.com/science/astronomers-just-spotted-the-fastest-supernova-weve-seen-so-far/
This nova was so unusually fast, it was like someone flicked a flashlight on and off. · Novae are always a cool find. · The fastest nova ever ...
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51 Astronomers watch a star explode in real time | NOVA - PBS
https://www.pbs.org/wgbh/nova/article/star-explodes-supernova-hubble-tess/
Astronomers recently witnessed supernova SN 2020fqv explode inside the ... The star's core becomes denser and denser, collapsing faster and ...
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52 Dazzling supernova mystery solved - BBC News
https://www.bbc.com/news/science-environment-27118405
An exceptionally bright supernova that baffled scientists has been ... It evolved too fast, its host galaxy is too big, and it was way, ...
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53 The Life And Death Of Stars
https://faculty.wcas.northwestern.edu/infocom/The%20Website/other%20super.html
We have just seen how Type II supernova come about. Now let's discuss Type I. Our Sun happens to be a single star. Our discussion of stellar evolution has taken ...
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54 Birth of new star from a supernova seen for first time
https://room.eu.com/news/birth-of-new-star-from-a-supernova-seen-for-first-time
New life from old. By investigating how a superluminous supernova has kept bright for years, astronomers conclude that it can only be due to ...
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55 Look: NASA photo reveals unusual supernova event - Inverse
https://www.inverse.com/science/look-nasa-photo-reveals-unusual-supernova-event
A new image by Chandra reveals a rare supernova remanent created by a ... and how fast they fade away, the type Ia supernova can be located ...
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56 energy and momentum input of supernova explosions in ...
https://academic.oup.com/mnras/article/451/3/2757/1193887
However, the progress of the SN remnant is quickly stopped in areas where it hits a dense shell or pillar that has been swept up by the ionizing radiation.
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57 What Happens To The Material Flung Out By A Supernova?
https://astroquizzical.com/astroquizzical/what-happens-to-the-material-flung-out-by-a
The neutrinos can escape from the core of the star quickly without interacting with the rest of the star, but the burst of light that we can ...
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58 Researchers Rewind the Clock to Calculate Age and Site of ...
https://www.newswise.com/articles/researchers-rewind-the-clock-to-calculate-age-and-site-of-supernova-blast
"That is pretty fast and at the extreme end of how fast we think a neutron star can be moving, even if it got a kick from the supernova ...
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59 Supernova may have 'burped' before exploding | News
https://news.nd.edu/news/supernova-may-have-burped-before-exploding/
Only by increasing the rate at which telescopes monitor the sky has it been possible to catch more Fast-Evolving Luminous Transients (FELTs) ...
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60 How we'll find the most powerful explosions in the Universe
https://www.sciencefocus.com/space/superluminous-supernovae/
Life on Earth is safe from such an event. Superluminous supernovae – up to 100 times as powerful as any stellar explosion previously known – are ...
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61 Less than a million years ago, a supernova exploded just *600 ...
https://www.syfy.com/syfy-wire/less-than-a-million-years-ago-a-supernova-exploded-just-600-light-years-away
› syfy-wire › less-than-a-million-...
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62 Likely Discovery Of Faint and Fast Supernova Confirms ... - KITP
https://www.kitp.ucsb.edu/news/supernova-confirms-explosion
Bright events from complete thermonuclear explosions of white dwarfs have been known for many decades, and are referred to as Type Ia supernovae. They are ...
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63 Supernova Explosion: The Death of Massive Stars
https://www.wondriumdaily.com/supernova-explosion-the-death-of-massive-stars/
Imagine a star that's at least eight times as massive as our Sun. Stars like this lead very different lives, following the “live fast, die young ...
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64 Did I see a supernova explosion? - Astronomy Stack Exchange
https://astronomy.stackexchange.com/questions/38821/did-i-see-a-supernova-explosion
Thus, whatever you saw, was not a supernova, sorry. ... resolved by the Hubble telescope, even if it were traveling at the speed of light.
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65 Supernova
https://www.valdostamuseum.com/hamsmith/13Mar41.html
Astronomers don't yet know what caused these blobs to erupt from the star so asymmetrically, though their speed and distance from the star suggest they were ...
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66 World's first detailed look at earliest moments of a supernova ...
https://www.techexplorist.com/worlds-first-detailed-look-earliest-moments-supernova-explosion-kepler-telescope/40440/
Aug 5, 2021 —
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67 Rapid supernova could be new class of exploding star
https://www.berkeley.edu/news/media/releases/2009/11/05_rapid_supernova.shtml
BERKELEY — An unusual supernova rediscovered in seven-year-old data may be ... "It was three to four times faster than a standard supernova, ...
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68 Explaining Supernova Explosions - Sky & Telescope
https://skyandtelescope.org/astronomy-news/explaining-supernova-explosions/
At its peak, a Type Ia supernova — the thermonuclear explosion of ... Type Ia supernovae have enabled cosmologists to gauge how fast the ...
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69 Astronomers witness the explosive death of a giant star for first ...
https://www.nbcnews.com/science/space/astronomers-witness-explosive-death-giant-star-first-time-rcna11830
When the final supernova explosion did occur, they were able to ... “It rips through the star and pushes all the layers out really fast.”.
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70 How Close a Supernova Needs to Be to Destroy Life on Earth
https://www.businessinsider.com/distance-supernova-can-destroy-planet-2017-5
About every 50 years a star explodes in our home galaxy, the Milky Way. These powerful eruptions are called supernovae. They can emit the same ...
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71 Supernovae for stars of all ages! - AuntieMatter
http://auntiematter.space/blog/2019/8/13/supernovae-for-stars-of-all-ages
› blog › supernovae-for-stars-...
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72 How supernovae have affected life | Astronomy.com
https://astronomy.com/magazine/2019/07/how-supernovae-have-affected-life
A nearby exploding star may affect Earth in ways we're just now beginning to understand. ... A bright supernova in our sky would do much more than ...
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73 This premature supernova was triggered by a dead star - CNN
https://www.cnn.com/2021/09/07/world/dead-star-premature-supernova-scn/index.html
... star -- crashed into another star, triggering a rare premature supernova. ... bright bursts of radio waves that fizzle out quickly, ...
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74 THE FAST AND FURIOUS DECAY OF THE PECULIAR TYPE ...
http://iopscience.iop.org/article/10.1088/0004-637X/774/1/58/pdf
ABSTRACT. We present extensive multi-wavelength observations of the extremely rapidly declining Type Ic supernova (SN Ic),. SN 2005ek.
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75 Supernova – News, Research and Analysis - The Conversation
https://theconversation.com/topics/supernova-6053
› topics › supernova-6053
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76 Record-breaking Pantheon+ supernova study reveals what ...
https://medium.com/starts-with-a-bang/record-breaking-pantheon-supernova-study-reveals-what-makes-up-our-universe-98b672effeb1
How type Ia supernovae work. Right now, all throughout the Universe, the corpses of Sun-like stars that have completed their life cycles persist. These stellar ...
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77 Hubble Telescope spots exploding star in distant 'fireworks ...
https://studyfinds.org/hubble-telescope-spots-exploding-star-supernova/
Hubble Telescope captures supernova Astronomers using NASA's Hubble Space Telescope captured the quick, fading celebrity status of a supernova, ...
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78 Hubble Observes Spectacular Supernova Time-Lapse
https://esahubble.org/news/heic2018/
The energy released tears the star apart in a violent explosion, ejecting matter at speeds up to 6% the speed of light and emitting huge amounts ...
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79 Astronomers report first discovery of a distant star exploding ...
https://newsroom.ucla.edu/releases/astronomers-see-supernova-split-into-4-images-by-a-cosmic-lens-capping-half-century-search
Hubble Space Telescope image showing the light of a supernova split into four ... The freeway itinerary is longer but the speed is higher.
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80 Supernova Explosion and a Miracle of The Qur'an
https://fountainmagazine.com/2006/issue-54-april-june-2006/supernova-explosion-and-a-miracle-of-the-quran
This collapse happens so fast that it takes only a fraction of a second for the initially earth-sized core to shrink to a radius of 60 km. As the core collapses ...
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81 Black Hole's Velocity Links It to Supernova
https://www.washingtonpost.com/archive/politics/2002/11/19/black-holes-velocity-links-it-to-supernova/fd995e70-954c-49df-a4ac-4ad9a7d474bb/
"This is the first black hole found to be moving fast through the plane of our galaxy," Felix Mirabel, of the French Atomic Energy ...
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82 ISAS | Cosmic Rays Accelerated by Supernova Remnants ...
https://www.isas.jaxa.jp/e/forefront/2008/uchiyama/
Meanwhile, the star's outer layer becomes a blast wave and expands at supersonic speed toward interstellar space (substances released by supernova ...
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83 Space Science-space travel-exploring beyond Mars-supernova
http://www.dynamicscience.com.au/tester/solutions1/space%20science/novae.htm
A supernova is a massive explosion resulting from the death of a star more ... form bright supernovae we can determine how fast galaxies are moving away ...
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84 News | The "Supernova of a Generation" Shows Its Stuff
https://www.ptf.caltech.edu/news/ptf111224
Now, thanks to this rare discovery—which some have called the "supernova of a generation"—astronomers have the most detailed picture yet of how ...
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85 A supernova is reborn | Discover Magazine
https://www.discovermagazine.com/the-sciences/a-supernova-is-reborn
Those knots are getting brighter too; a few years ago they had faded considerably, but the fast material from the supernova has been hitting ...
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86 Supernova Superstar: The Most Distant and Important One Yet
https://science.time.com/2013/04/26/lens/
This image of Supernova SN 1987A, one of the brightest stellar ... that the most distant supernovas weren't moving as fast as they expected ...
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87 Supernovas | Facts, Information, Meaning, History & Definition
https://nineplanets.org/supernovas/
Supernovae can expel several solar masses of material at speeds that reach certain percentages of the speed of light.
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88 Tracing gold's cosmic origin story - PNAS
https://www.pnas.org/doi/10.1073/pnas.2026110118
Then additional supernova explosions occurred, raising the level of ... two neutron stars in a binary system spiral into each other so fast?
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89 Nearby massive star explosion 30 million years ago equaled ...
https://blog.smu.edu/research/2016/04/26/nearby-massive-star-explosion-30-million-years-ago-equaled-detonation-of-100-million-suns/
The sudden blast hurled material outward from the star at a speed of 10,000 kilometers a second. That's equivalent to 36 million kilometers an ...
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90 Measuring a Monstrous Supernova - Berkeley Lab
https://newscenter.lbl.gov/2010/03/23/measuring-a-monstrous-supernova/
A rare Type Ia supernova whose progenitor star had a mass some two ... Redshift is an indication of how fast an object is receding from the ...
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91 A hot and fast ultra-stripped supernova that likely formed a ...
https://arxiv.org/abs/1810.05181
Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions.
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92 NASA news: Supernova debris clocked at 23 million MPH 400 ...
https://www.express.co.uk/news/science/1325388/NASA-news-supernova-explosion-debris-speed-space-Chandra-Observatory
ASTRONOMERS using NASA's Chandra X-ray Observatory have recorded stellar material flowing from an exploded star 25,000 times faster than the ...
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93 'Supernova Slice' Simulates Blasts of Dying Stars
https://www.scientificamerican.com/article/supernova-slice-simulates-blasts-of-dying-stars/
A high-speed camera snaps images of the process every 0.1 millisecond, revealing the equivalent of roughly the first hour after a supernova ...
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