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Why observatories shoot lasers at the Universe
(
scienceblogs.com
)
3 points
by
rodrigocoelho
on July 8, 2016
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1 comment
rodrigocoelho
on July 8, 2016
[–]
With a bonus video: Paranal telescopes with Laser Guide star (Unique 360º night time lapse)
https://www.youtube.com/watch?v=g77CxWquJEU
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https://www.youtube.com/watch?v=g77CxWquJEU