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    unknownconstellation: Using lasers to measure distance, we can learn to a small percent of error how far we are from the galactic center.  That laser, in other words, stretches from its position on Earth, to a point about 30,000 light years away. Or it will, in 30,000 years. Or. Wait.  Space is too big.

    unknownconstellation:

    Using lasers to measure distance, we can learn to a small percent of error how far we are from the galactic center. 

    That laser, in other words, stretches from its position on Earth, to a point about 30,000 light years away. Or it will, in 30,000 years. Or. Wait. 

    Space is too big.

    30 notes
    Posted on Monday, 16 July
    Reblogged from: unknownconstellation-deactivate
    Posted by: unknownconstellation-deactivate
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