Cryostat for COBE satellite USA The cryostat uses helium to maintain the extremely low temperatures that allow the satellite to function The Cosmic Background Explorer COBE is a NASA satellite devoted to the study of the radiation left over from the Big Bang which formed the Universe COBE was launched on November In the spacecraft returned data showing minute temperature fluctuations of the early universe the primeval seeding for the subsequent collapse of matter into nebulae and stars
