
astronomia
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Looking at the numbers above, you'll immediately notice that you are different ages on the different planets. This brings up the question of how we define the time intervals we measure. What is a day?
Your Age on Other Worlds | Exploratorium
Scientists Discover The Oldest, Largest Body Of Water In Existence--In Space | Fast Company
Scientists have found the biggest and oldest reservoir of water ever--so large and so old, it’s almost impossible to describe.Planet Calypso - Inicio
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