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Astronomers use an old trick to open new window on extrasolar planets

By The Christian Science Monitor
Wednesday, June 27, 2012 23:54 EDT
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Artists rendering of tau bootis b
 
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Astronomers use an old trick to open new window on extrasolar planets

A method astronomers have used for nearly 20 years to indirectly find planets orbiting other stars has for the first time been used to take the direct measure of an extrasolar planet itself. The approach not only yields precise estimates of a planet’s mass, a critical piece of information that can…

 
 
 
 
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