Churchill Science

Ever wondered how many Earths would add up to one Jupiter? How many Saturns would balance out one Sun? Find out with one of our favorite websites ever, the Planet Mass Comparison. Click one of the pictures below to try it yourself:

One Neptune = 9,501 Plutos!

14 Earths = 1 Uranus.

OK, OK, there’s actually no cosmic scale out in space weighing planets. This is actually measuring mass, which is a bit different than weight. Weight depends on where you’re standing. For example, you’d “weigh” a LOT more if you were on Jupiter or the Sun. (Not that you would survive long enough to get on a scale.) You even weigh a tiny bit less when you’re up in the mountains than you would at sea level. But you are the same size, with the same amount of “matter” inside your body, no matter where you are.