A photo provided by NASA shows a mosaic of thirteen images of the southern sky taken by the Transiting Exoplanet Survey Satellite spacecraft during its first year of observations, including the Eridanus constellation, the approximate location of TIC 168789840. The New York Times

Six stars, six eclipses

From star-destroying black holes to exploding comets, NASA’s Transiting Exoplanet Survey Satellite, or TESS, has spotted its share of surprises