A supergiant star forms when a main sequence star runs out of hydrogen atoms in its core. The star may begin to fuse helium atoms, and the change in heat and pressure can cause the...
Astronomy an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.
edit]. Although the term supergiant does not have a single concrete definition,
there are several other categories of ...
Supergiants are the most massive stars. Supergiants can have masses from 10 to
70 solar masses and brightness from 30000 up to hundreds of thousands ...
The energy released by the very high rate of helium fusion means that the star
would not be stable as a yellow giant (like low and medium mass stars
are at this phase) or even a red giant, but rather evolve directly into a red supergiant
In fact, it is common for high... More »
A super giant star is the exact same thing as a giant star only much bigger.
Remember that as a star gets older it begins to run out of fuel. As the star runs out
Red Supergiants. A star of 15 solar masses exhausts its hydrogen in about one-
thousandth the lifetime of our sun. It proceeds through the red giant phase, but ...
Feb 12, 2009 ... If our Sun is an average sized star, there are some true monsters out there. They'
re the supergiant stars, and they come in two flavors: red and ...
May 16, 2012 ... Put the Sun next to a supergiant star and you'll have a hard time finding it.
Supergiant stars are the largest stars in the universe. They can be ...
Our sun is a star, but did you know that it is an average star? The universe is
home to many different kinds of stars including the supergiants,...