Duane G. Carey Quote: No.25
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That's what Hubble can do for us. It can tell us whether the universe is expanding forever or if one day it's going to come back together. Duane G. Carey | Refcard PDF ↑
That's what Hubble can do for us. It can tell us whether the universe is expanding forever or if one day it's going to come back together. Duane G. Carey | Refcard PDF ↑