SPACE TELESCOPE ZOOMS IN ON THE SYS­TEM

Science Illustrated - - SPACE -

The telescope ob­serves plan­ets in vis­i­ble and near-in­frared light, but red dwarfs par­tic­u­larly emit in­frared heat ra­di­a­tion. So, astronomers aimed the Spitzer space telescope at the star. Spitzer ob­serves in­frared light and can more eas­ily de­tect the light re­duc­tion, as a planet passes in front of the dwarf star.

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