star foacts
The only star that we can see in any
detail is the. some people have studied
the sun very carefully. This has helped us
to find out about the other stars
stars are made up mainly of a gas called
hydrogen. It is the lightest gas in the
universe. There is more hydrogen in the
universe than any other substance. Another
gas called helium is also found in stars.
some helium is mixed in with the
hydrogen. Helium is the second lightest
gas there is.
the center of a star like the sun is very
hot. Its temperature is about 27 million F.
at the center of a star, tiny parts, or
atoms, of hydrogen are turned into atoms
of helium process is called a nuclear
reaction. It makes the star give out light,
heat,and other Kinds of rays.
star Types
Our sun is a star of average size. It is
864,000 miles across. you would need a
line of 109 earths to equal the times