The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...
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Space.com on MSNSee the moon cozy up to a fading Mars tonight (March 8)"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.
D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment.
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