News from Keck Observatory

Mars Lost an Ocean’s Worth of Water
MAUNA KEA, HI – A primitive
ocean on Mars once held more water than Earth’s Arctic Ocean, according to NASA
scientists who measured signatures of water in the planet’s atmosphere using
the most
Thermonuclear Supernova Ejects Galaxy’s Fastest Star
MAUNA KEA, HI – Scientists using the W. M. Keck Observatory and Pan-STARRS1
telescopes on Hawaii have discovered a star that breaks the galactic speed
record, traveling with a velocity of about
Supernova Split into Four Images by Cosmic Lens
MAUNA KEA, HI – Astronomers have for the first time spotted four images of a
distant exploding star, arranged in a cross-shape pattern by a powerful gravitational
lens. In addition to being a