Tag: Space exploration
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Comet water muddies the question of where Earth’s oceans came from
Comets are an obvious culprit if you want to understand how water gets from one part of the Solar System to another. They’re famously known as “dirty snowballs”, for their mixture of water ice, ices made of other molecules, and a few organic molecules thrown in to give them a dark gray color. Since very…
Galileo's Pendulum 