Astronomy Cast Ep. 366: HARPS Spectrograph

By Fraser Cain - February 2, 2015 at 2:50 PM UTC | Telescopes

Almost all the planet hunting has been done from space. But there's a new instrument installed on the European Southern Observatory's 3.6 meter telescope called the High Accuracy Radial velocity Planet Searcher which has already turned up 130 planets. Is this the future? Searching for planets from the ground?

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