Thoughts on the (possible) death of Kepler

Planet Hunters

Today brought some incredibly sad news to planet hunters everywhere. The Kepler satellite, which has provided all the data which has fed our site since the beginning, has probably reached the end of its useful life, at least as far as hunting for planets goes.

Facts first. As reported elsewhere, Kepler’s fourth reaction wheel seems to have failed. The reaction wheels are what the spacecraft uses to point accurately, and with this failure Kepler’s down to only two, not the three needed to point precisely at its targets. Without three functioning reaction wheels, Kepler won’t be able to hold its gaze on the part of the sky that hold the stars that we’ve all become so familiar with over the last few years. There are still things to be tried – most of them variants on the tried and trusted ‘turn off and turn back on again’ methods – but…

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About ~ wolfrayetstar

Science enthusiast and visual artist - hobbyist. Begginer in astrophotography and huge fan of nerdy jokes.
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