how does light travel... especially in a vacuum (like space...which apparently isnt a true vacuum)

Subject: how does light travel... especially in a vacuum (like space...which apparently isnt a true vacuum)

Date: Tue Jun 12 10:28:56 2007
Posted by viagnehy
Grade level: undergrad School: rensselaer polytechnic institute
City: troy State/Province: ny Country: usa
Area of science: Physics
ID: 1181669336.Ph

Message:


sound waves have to vibrate on something to exist, we move by walking on hard
surfaces, birds fly by manipulating air...how does light "move"

Re: how does light travel... especially in a vacuum (like space...which apparently isnt a true vacuum)

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