There could soon be 100 more planets in our solar system

Rob Waugh
Picture NASA

Our solar system could be about to get more than 100 new planets – including our moon and other famous moons such as Saturn’s moon Titan (pictured).

It’s a proposal by a top NASA scientist, who suggests that the whole way we classify planets is wrong – and that Pluto should be returned to the fold.

We should also actually consider our moon as a planet, says Alan Stern, principle investigator of Nasa’s New Horizons mission to Pluto.

Stern and five colleagues have written a suggestion of a new way to classify planets – which would no longer require planets to orbit the sun.

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If accepted by the International Astronomical Union (IAU), the move would mean that our solar system would acquire 100 new planets – including Saturn’s moon Titan and Jupiter’s moons Europa and Ganymede.

The team says, ‘In the mind of the public, the word ‘planet’ carries a significance lacking in other words used to describe planetary bodies… many members of the public assume that alleged ‘non-planets’ cease to be interesting enough to warrant scientific exploration.’