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Sometimes space missions can seem a bit faddish. Four spacecraft are currently orbiting Mars, and at least three missions are looking for new planets outside our solar system. But the new hotness, it seems, is asteroids.

Sputnik Planitia is a gigantic, ice-covered area, one thousand kilometres across. This large, pale basin makes up one half of the famous ‘heart’ shape on Pluto’s surface. Despite its size, the Sputnik Planitia was discovered recently, and it only got its name this year!