Keck observatory

  • NASA scientist's say that they have estimated that Mars may once have had enough water to form a vast body the size of the Arctic Ocean surrounding its north pole, where only plains remain.
  • Confirming a long-held theory that a rare supernova originated in a binary star arrangement, observations by the Hubble space telescope verify that the companion star precipitated the destruction of the aging primary star by drawing off mass until its core collapsed and triggered a supernova event.