Kepler is a scientific satellite whose job it is to look for extrasolar planets that are comparable in size to Earth. At least that's how it is. On Thursday, November 15, NASA sent it the final order to end communication with the satellite and send it to permanent sleep.
Farewell, planet hunter. Last night, that @NASAKepler the space telescope received its final set of orders to cut off communication with Earth. The "goodnight" order was sent on the anniversary of the missionary's name, Johannes Kepler: https://t.co/dhUCmKmvqW pic.twitter.com/TKkSk0EQ7C
– NASA Kepler and K2 (@NASAKepler) November 16, 2018