Question

How much smaller is the radius of mars than the radius of the neptun
( write Nswer in km)​

Answer 1

Explanation:

Mars, meanwhile, has a radius of approximately 3,396 km at its equator (3,376 km at its polar regions), which is the equivalent of roughly 0.53 Earths. However, it's mass is just 6.4185 x 10²³ kg, which is around 10.7% that of Earth's