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Celebrating a year at the comet

ESA’s Rosetta mission today celebrates one year at Comet 67P/Churyumov–Gerasimenko, with its closest approach to the Sun now just one week away. It’s been a...

Rosetta: preparing for perihelion

Perihelion basics What is perihelion exactly? Perihelion is the closest point a Solar System object gets to the Sun along its orbit (aphelion is the term...

Where the water came from?

Recent discoveries of the ESA's Rosetta mission gave new clues about the origin of the water in Earth or at least seems to discard...