Astronomers find Haumea’s lunar system to be smaller than expected

The dwarf planet on the edge of our Solar System, doesn’t have the same kind of moons as its well-known cousin Pluto according to a new study

How big is a dwarf planet?

Measuring the size of these pint-sized worlds is more complicated than it seems…

Does Planet X exist?

Could another planet exist in the Kuiper Belt? The jury is still out…

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