This mosaic of the southern sky was assembled from 208 images taken by NASA's Transiting Exoplanet Survey Satellite (TESS) during its first year of science operations, completed in July 2019.

NASA’s Transiting Exoplanet Survey Satellite ... Space Agency’s) Gaia mission. The prominent band in both images is the Milky Way, which marks the central plane of our galaxy. In the mass map ...