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Solar System

Astronomers have set up simulations to understand trans-Neptunian objects

Understanding the origin of these objects can help explain the origins of the entire Solar System

Astronomy

Heroes of Space: Clyde Tombaugh

The amateur astronomer who discovered Pluto and visited the dwarf planet after his death

Solar System

If we discovered another planet in our Solar System, what would we call it?

A new planet needs a name – but what we would we call it if it was found in our Solar System?

Solar System

How big is a dwarf planet?

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

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