@@lmc6506 Updates in star sizes: - WOH G64 - 1,540 x Sun - VY Canis Majoris - 1,420 x Sun - Mu Cephei - 1,420 x Sun - VV Cephei A - 1,050 x Sun (yes it is probably smaller than Mu Cephei; previous larger estimates likely did not take distortion from its binary companion into account) - KY Cygni - 1,033 x Sun - KW Sagittarii - 1,009 x Sun - Rho Cassiopeiae - 636 to 981 x Sun - Betelgeuse - 750 x Sun - V354 Cephei - 685 x Sun - Antares - 680 x Sun - V382 Carinae - 485 x Sun - V838 Monocerotis - 467 x Sun - V509 Cassiopeiae - 390 to 910 x Sun - Pistol Star - 420 x Sun - Mira A - 332 to 402 x Sun WOH G64's status as the star with the largest reliably-determined diameter is supported by Olivia Jones _et al_ 2017. However, VY Canis Majoris, with its firmly-established 1,420 x Sun estimate, continues to be a solid candidate for the largest reliably-measured star in the Milky Way (Alcolea _et al_ 2013). Based on stellar evolutionary theory, it is not expected for red supergiant stars to have diameters exceeding ~1,500 to 1,600 x Sun (2.2 billion km). According to the Stefan-Boltzmann Law, blue supergiant stars will always be smaller than red supergiants of the same luminosity. There is a red hypergiant star (Stephenson 2 DFK 1 or Stephenson 2-18) is supposedly larger than WOH G64, with many calling it the "new largest star". A paper came out in 2012 giving values of its temperature and luminosity. Per the Stefan-Boltzmann Law, these equate to a diameter 2,150 times greater than the Sun (~3 billion km; same size as Saturn's orbit). However, as stated above, it is very unlikely for it to be the largest star known. It is poorly-studied and hence better measurements of its temperature and luminosity may need to be made, potentially resulting in a smaller diameter in accordance with the largest stars predicted by stellar evolutionary theories. What is likely the largest known black hole is TON 618 at 40.7 billion solar masses, or 240 billion km in diameter. :)
Thanks for the mention in the description! 🎉
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Insane video
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Apple Magic, Qwerty
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Insane
music: life is a piano
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Hello!
Are you still interested in astronomy?
Hello! Yes!
@@lmc6506oh awesome!
I am currently in the process of making a universe size comparison. If God willing, it will be in a week or two.
@@JosephWilliamPelobello Great! Good luck with it!
@@lmc6506Thanks!
@@lmc6506 Updates in star sizes:
- WOH G64 - 1,540 x Sun
- VY Canis Majoris - 1,420 x Sun
- Mu Cephei - 1,420 x Sun
- VV Cephei A - 1,050 x Sun (yes it is probably smaller than Mu Cephei; previous larger estimates likely did not take distortion from its binary companion into account)
- KY Cygni - 1,033 x Sun
- KW Sagittarii - 1,009 x Sun
- Rho Cassiopeiae - 636 to 981 x Sun
- Betelgeuse - 750 x Sun
- V354 Cephei - 685 x Sun
- Antares - 680 x Sun
- V382 Carinae - 485 x Sun
- V838 Monocerotis - 467 x Sun
- V509 Cassiopeiae - 390 to 910 x Sun
- Pistol Star - 420 x Sun
- Mira A - 332 to 402 x Sun
WOH G64's status as the star with the largest reliably-determined diameter is supported by Olivia Jones _et al_ 2017. However, VY Canis Majoris, with its firmly-established 1,420 x Sun estimate, continues to be a solid candidate for the largest reliably-measured star in the Milky Way (Alcolea _et al_ 2013).
Based on stellar evolutionary theory, it is not expected for red supergiant stars to have diameters exceeding ~1,500 to 1,600 x Sun (2.2 billion km). According to the Stefan-Boltzmann Law, blue supergiant stars will always be smaller than red supergiants of the same luminosity.
There is a red hypergiant star (Stephenson 2 DFK 1 or Stephenson 2-18) is supposedly larger than WOH G64, with many calling it the "new largest star". A paper came out in 2012 giving values of its temperature and luminosity. Per the Stefan-Boltzmann Law, these equate to a diameter 2,150 times greater than the Sun (~3 billion km; same size as Saturn's orbit). However, as stated above, it is very unlikely for it to be the largest star known. It is poorly-studied and hence better measurements of its temperature and luminosity may need to be made, potentially resulting in a smaller diameter in accordance with the largest stars predicted by stellar evolutionary theories.
What is likely the largest known black hole is TON 618 at 40.7 billion solar masses, or 240 billion km in diameter.
:)
how the
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bro look at his screen it isnt evene on
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oh he thinks the window in the back is the monitor LMAO@@Algorox
@@JawshIsLiveain't no way 😂 there's a laptop right infront of me