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By the numbers: Moons

By David Shaw, 22 December 2021

Cassini Imaging Team, SSI, JPL, NASA

83

The number of confirmed moons of Saturn

7

The number of vehicles with wheels that have driven on the Moon

38

The number of millimetres further away the Moon gets, every year

12

The number of people who have flown to the Moon, but never walked on it

1410

Distance in light years to WASP-12b, an exoplanet that scientists think might have a moon

Did you know?

An exoplanet is a planet outside our solar system.

This column first appeared in Double Helix magazine. If you’re after more maths facts for kids, subscribe today!