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- Tue Aug 14, 2007 9:24 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: LASER beam (APOD 31 July 2007)
- Replies: 21
- Views: 8576
Re: APOD - laser strike at galactic centre
[quote="Chris Peterson] Not necessarily. First of all, there's no way that laser light traveling between stars will stay coherent. Coherence is a property that is lost pretty quickly with distance from the cavity. And simply being nearly monochromatic isn't a guarantee that the source is artifi...