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Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface.
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Lunar days are about 14 Earth days long, and when night comes, temperatures plummet. But there are other issues to deal with as well. For instance, how can we overcome the moon's lack of atmosphere; difficult terrain with abrasive particles, and the effects of cosmic background radiation?
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Shocking new evidence has convinced some of the world's greatest physicists that the universe is a hologram. Using cutting-edge technology, they investigate the secrets of black holes and space-time to build the case for this game-changing discovery.
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The latest NASA missions to Mars might finally reveal if it is home to alien life, and using these brand-new discoveries, experts are rethinking everything they know about the Red Planet.
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The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material - yet have lived radically different lives. What immense forces are at play?
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Since it explored Pluto in 2015, the New Horizons spacecraft has been zooming toward NASA's most distant target yet. Join the mission team as the probe attempts to fly by Ultima Thule, an object 4 billion miles from Earth.