[/caption] Occasionally, a reader asks ”is Mars bigger than Earth?”. No, Mars is about one half of the size of Earth. Below is a comparison chart so the you can get an idea of how much smaller Mars is than Earth Earth Mars Diameter 12,742 km 6,792 km Surface Area 510,072,000 km2 144,798,500km2 Volume 1.08321×1012km3 … Continue reading "Is Mars Bigger Than Earth?"