Naked Science Forum

Non Life Sciences => Physics, Astronomy & Cosmology => Topic started by: David Rich on 13/04/2014 12:14:10

Title: Is there an equivalent of a sonic boom with light?
Post by: David Rich on 13/04/2014 12:14:10

David Rich asked the Naked Scientists:
   
When an object reaches and exceeds the speed of sound, it is followed by a sonic boom as the sound it makes is left behind.

What would happen if an object reaches and exceeds the speed of light? Is there a similar effect occurring, with light? Is it invisible as the light is left behind the object?

Thank you

Regards
David Rich
What do you think?

Title: Re: Is there an equivalent of a sonic boom with light?
Post by: Bored chemist on 13/04/2014 12:23:28

Yes
http://en.wikipedia.org/wiki/Cherenkov_radiation