How Big Are the Planets?
How Big Are the Planets?
The planets in our Solar System vary greatly in size. Here’s a comparison of their diameters:
Mercury – 4,879 km
Venus – 12,104 km
Earth – 12,742 km
Mars – 6,779 km
Jupiter – 142,984 km
Saturn – 120,536 km
Uranus – 51,118 km
Neptune – 49,528 km
From the smallest rocky planet Mercury to the giant Jupiter, the difference is huge — more than 29 times bigger!
Source: NASA Planetary Fact Sheet