Astronomers using NASA's Hubble Space Telescope have carried out the most complete inventory to date of brown dwarfs, one of the universe's most elusive types of objects, which dwell in limbo between stars and planets. The Hubble census provides new and compelling evidence that stars and planets form in different ways. Because the brown dwarfs "bridge the gap" between stars and planets, their properties reveal new and unique insights into how stars and planets form.

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The Space Telescope Science Institute is operated by the Association of Universities for Research in Astronomy, Inc. (AURA), for NASA, under contract with the Goddard Space Flight Center, Greenbelt, MD. The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency (ESA).