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Dark Skies
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How big is our Earth?

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What is a light year?

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<a href='/solarsystem/sun/index.html'>sun</a> Sun
mercury Mercury
venus Venus
earth Earth
mars Mars
jupiter Jupiter
saturn Saturn
uranus Uranus
neptune Neptune
pluto Pluto
Planet Stats
Planet Sizes
Planets & Stars
A Light Year
Planet Stats
Planet Size
Planet Mass
Planets & Stars
Comparing Moons in Our Solar System
This image shows the relative sizes of the major moons in our solar system with the size of the Earth and it's moon. Notice that Europa and Ganymede, two of the moons of jupiter are as big as small plantes like mercury.
compare moon sizes
It makes sence that the largest planet in our solar system, Jupiter, has the largest moons. Althoug Jupiter and Saturn both have over 60 moons, most of them are too small to be seen on this chart. When you compare the monns in our solar system, most of them are smaller than earths moon.
How much would you weigh on the moon?
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