:: Stars

Stars
Some of them are big blue ones, big red ones, yellow ones and red ones. Big blue ones are the hottest ones.
Red ones are stars at the end of their lives and they are the coldest ones.
Yellow stars are like our Sun (which is a yellow star!).
Red ones are the best known ones.
In countries that do not have too much polution we can sometimes see more than 3000 stars all over the sky.
The big ones are 100 to 200 times larger than the Sun. Stars are composed of gaz and fire.