Question

Which of the following has no atmosphere?

a
the sun
b
the moon
c
Earth
d
both the sun and the moon

Answer 1

Answer:

Mercury

Which planet(s) have no atmosphere? Short answer: Mercury. Long answer: Mercury is the only planet in our Solar System that has no substantial atmosphere. Technically speaking it does have an extremely thin atmosphere but it's so thin that for all practical purposes it might as well be a vacuum