can you see a laser beam in space?

My answer would have been yes, something like photons are absorbed and new ones released etc.

After looking at your video (I have no speakers on this computer!) I think I will keep my month shut and reserve my judgement.
 
No. For you to see light it has to bounce off something and into your eye. Unless there's dust around or something no way jose.
 
as in if you where looking at it from it's side.
yeah. the ones that can be seen by the naked eye.
http://www.youtube.com/watch?v=uoN4qg2hHQo
so why can we see the UV or IR
"see" or...... measure
 
no, in order to see a laser, the light must be scattered by some medium, usually a gas or dust, yes. In space there is (almost) nothing to scatter it.
 
no.

LASER basically means, you take all the hippies at Woodstock (white light), give them identical haircuts and uniforms and make them all march in lock-step like good little Nazis (laser beam).

if you have a troupe of Nazis (a laser beam), will any of them be falling out of line so you can detect them? Not hardly.
 
No, light cannot be seen, in space or on Earth. Only objects can be seen. Light is just the medium by which we see things.
 
From the side, no. Not unless there's dust or some other form of reflective particles it's shining through.
 
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