Using Laser Combs to Find Exoplanets

We""™ve run a couple of articles recently about new techniques to find Earth-like extra-solar planets. Here""™s one more, but this new technique is really quite exciting. A new device, called a laser comb, uses femto-second (one millionth of one billionth of a second) pulses of laser light coupled with an atomic clock to provide a precise ...

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