Before Mars became a forbiddingly dry world, water once came and went smoothly on the planet's surface, just as it does here on Earth. Now, scientists have identified the traces of three different sets of these ancient lakes.
from Space.com https://ift.tt/2Py8bWh
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By BY RAYMOND ZHONG from NYT Technology https://ift.tt/2ZVzHzt
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The blood-red color of the moon during a total lunar eclipse may be difficult to explain without a basic understanding of orbital mechanics,...
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NSF's 10 Big Ideas Since 2017, NSF has been building a foundation for the Big Ideas through pioneering research and pilot activities....
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