Retirement for Kepler

Summary: Kepler, once on a valiant mission to search for exoplanets, has now lost another wheel: one too many to continue its mission. At least three of the four wheels must be functional for it to maintain its pointing long enough to collect valid data. The vote is now up to spend NASA's money on maintaining the broken Kepler and using it to observe other astronomical events or to put the money to a future astrophysics mission. Keep in mind that Kepler has already fulfilled it minimum mission objections and there is still plenty if data to sort through.

BBC News