A. Stars are space objects that produces their own energy through fusion reaction of gasses. ... Sun- the star of our solar system is a star because it produces energy by the fusion reaction of Helium turning into Hydrogen

B.When the moon is near the horizon, the ground and horizon make the moon appear relatively close. Because the moon is changing its apparent position in depth while the light stimulus remains constant, the brain's size-distance mechanism changes its perceived size and makes the moon appear very large.(in short the stars are far from earth will moon is near from earth)

C.The color of a star mostly indicates a star's temperature, and it can also suggest the star's age. Class O stars, which are blue in color, are the hottest, and class M stars, which are red in color, are the coldest. This can be tricky to remember, as we typically think of blue as a cool color and red as a hot one.

Answer:

a.because the stars are actually the suns.

b.because it soo far away that why stars twinkle.

c. when its small the color is blue is the hottest sun, when its the midium size its yellow, when its big its Orange, when its very big the color of the sun is Red.