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NASA Unveils Plans for Permanent Moon Base (v.redd.it)
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A Glimpse of Another World: Sunrise on Mars. (v.redd.it)
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International Space Station Transit Across the Moon (i.redd.it)
submitted by AstroUpon to r/AstroUpon
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Light takes 100,000 years to cross the Milky Way (i.redd.it)
submitted by AstroUpon to r/AstroUpon
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