What was the deal with that laser? What could they possibly be aiming at? | Hacker News

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		JoeAltmaier on June 3, 2011 \| parent \| context \| favorite \| on: Astronomy Picture of the Day (timelapse with Earth... What was the deal with that laser? What could they possibly be aiming at?

pjama on June 3, 2011 [–]

Read about [Adaptive Optics](http://en.wikipedia.org/wiki/Adaptive_optics) -- The telescope watches the laser beam and corrects for atmospheric distortions.

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