Dillon

1 I think a star is ? realy bright gas burning. 2 what is the moon ? a big piece of rock that follows the sun. 3 what is the sun and a shadow ? the sun is a giant ball of fire. a shadow is light that is blocked by something. 4 what is day and night? day is when the moon is behind the sun. night is when the sun is behind the moon 5 what is the solar system?