Earth
Looking at her picture, you may think that Earth is a water world. But the fact is that she is 99-percent dry rock. According to our current solar system formation model, this is impossible—a mystery that has puzzled scientists until now. Rebecca Martin and Mario Livio—of the Space Telescope Science Institute in Baltimore, Maryland—may have found the solution to this riddle using data from the Hubble Space Telescope. By observing how young stars behave, they came up with a new model that may forever change our understanding on how planets are created. Read the full story at Gizmodo.
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