Image for Hunting for exoplanets

Hunting for exoplanets

Duration: 04:49

Planet hunter Geoffrey Marcy explains how he finds planets around other stars.

Available since: Thu 12 Aug 2010

This clip is from

Horizon 2007-2008, Are we Alone in the Universe?

Science series. A planet has been discovered that could support life.

First broadcast: 04 Mar 2008

Image for Are we Alone in the Universe? Not currently available on BBC iPlayer

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