The Hubble Space Telescope has advanced our understanding of the universe immeasurably since it was first deployed to low Earth orbit in 1990. It's impossible to overemphasize just how valuable it has been to scientists. But now, the space-based obse... 
https://ift.tt/2pGPJMv support@endlesssupplies.ca (Endless Supplies .Ca) October 08, 2018 at 11:03AM
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