Expansion of a star to become a red giant • Physics Forums
Oct 30, 2024 · A star becomes a red giant after exhausting its hydrogen fuel, leading to core collapse and increased temperature. This process initiates hydrogen fusion in a surrounding …
Difference between a red giant and red supergiant?
Mar 28, 2015 · These two types of stars clearly must have different properties because they form distinct groups on a Hertzsprung-Russell diagram. I have also read that red supergiants can …
How big can red supergiants get and can they be born at that size?
Jul 11, 2005 · Red supergiants can reach sizes of 10 to 50 solar masses and have radii exceeding 1,000 solar radii. The Helix Nebula, resulting from a supernova, indicates that the …
Discovering the Truth About Antares: From Young Red Supergiant …
May 25, 2023 · The forum discussion centers on the classification and evolutionary stages of stars, particularly focusing on Antares, a red supergiant. Historically, astronomers believed red …
Length of the life of a red supergiant. - Physics Forums
May 31, 2012 · hey, thought i would throw this problem out there... if you have the luminosity of a red supergiant 400,000 times more luminous than the sun and a mass of 30 times greater than …
Will Big Stars Turn Into Red Supergiants or Red Giants?
Nov 12, 2019 · Hey. Medium sized stars will turn into red giants. What about big sized stars? As far as I know they will turn into red SUPERgiants. But, will they pass through a red giant phase …
The time of becoming a red giant - Physics Forums
Dec 31, 2010 · How long would it take for a star, say approximately the mass of our Sun, to become a red giant? What I mean is the process of actually changing into a red giant. I know …
Which star is the closest red giant to Earth according to The …
May 27, 2023 · The Guardian inaccurately claims that Betelgeuse is the closest red giant to Earth, while several other stars, including Gacrux and Pollux, are actually closer. The article's …
Is This the Correct Way to Calculate Recoil Velocity of a Gun?
May 11, 2012 · Hello, I am not sure if this thread is still active but I am doing the same kind of physics problem for homework, and I think I have come to a conclusion...
We watched a red supergiant explode to ordinary type II supernova
Jan 7, 2022 · First suspicious activity of SN 2020tlf (in the NGC 5731 galaxy) was noted 130 days prior, which prompted astronomers to keep an eye on it. "This is a breakthrough in our …