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#3393217 - 06/09/14 05:15 PM Communication from space via laser
Rick in PA Online   content


Registered: 01/04/03
Posts: 2682
Loc: Southeastern, PA
I just thought this was interesting:
http://www.pddnet.com/news/2014/06/nasa-...mp;location=top

Although the picture is obviously photoshopped.
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#3393314 - 06/09/14 06:55 PM Re: Communication from space via laser [Re: Rick in PA]
earlyre Offline


Registered: 11/22/11
Posts: 3042
Loc: Lima, Ohio, USA
Would this be the picture you are referring to?


The one with the Text under it reading:
"This artist's concept shows how the Optical Payload for Lasercomm Science (OPALS) laser beams data to Earth from the International Space Station."
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#3393349 - 06/09/14 07:25 PM Re: Communication from space via laser [Re: Rick in PA]
Tegger Offline


Registered: 03/20/06
Posts: 1910
Loc: Canada
Originally Posted By: Rick in PA
Although the picture is obviously photoshopped.

That's not Photoshop, that's out of a 3D rendering program, such as Solidworks. PS may possibly have been used to make the laser beam, and to put the Earth/space background.

That said, the concept is interesting. I suppose you could transfer more data in less time using a laser instead of radio waves. But then I ain't no scientist.
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#3393375 - 06/09/14 07:47 PM Re: Communication from space via laser [Re: Rick in PA]
Rick in PA Online   content


Registered: 01/04/03
Posts: 2682
Loc: Southeastern, PA
OK guys, I meant the laser beam.
1. It wouldn't be visible in space, not even in the atmosphere.
2. The beam is showing divergence. No self respecting laser shows divergence (at least not at the level portrayed in the picture).
3. I used the word photoshop as a concept, not Photoshop per say.
Sheese. wink
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#3393513 - 06/09/14 09:51 PM Re: Communication from space via laser [Re: Rick in PA]
jrustles Offline


Registered: 02/24/13
Posts: 2035
Loc: Ontario, Canada
The death ray! eek
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