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Ice production on the hottest planet in our solar system
Water is crucial to life on Earth. It is also present on other planets and solar system bodies. Indeed, ground-based radar observations and space probe data indicated the presence of frozen water ice even on Mercury, the hottest planet in our solar system! Water, in... click to read more
When did land appear over water (and why does it matter)?
When Yuri Gagarin first saw the earth from the space in 1961 it looked as a blue-yellow planet with white clouds, a fragile view that was reinforced by the American astronauts who saw the Earth from the moon. The blue aquaplanet, completely covered with water... click to read more