Answer:
can you please show us what the options are and I can for sure help you out?!
I believe a valley or mountain, but I am not 100 percent sure.
Answer:
White Dwarf Stars.
Explanation:
A white dwarf is what stars like the Sun become after they have exhausted their nuclear fuel. Near the end of its nuclear burning stage, this type of star expels most of its outer material, creating a planetary nebula. Only the hot core of the star remains.