Hubble When Galaxies Collide NASA
2:05
Added: 1 year ago
From: italk2youdotcom
Views: 570
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  • lul answer is simple what happens to the particles when two high velocity gas's collide ! "insert theoretical chemist here"

    okuma0kuma 1 year ago

  • how do they find out those billion light years in other cases ?

    heisenfeis 1 year ago

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