Archive: 13/12/2011

Using many instruments to track a comet

( -- In 16 years of data observations, the Solar Heliophysics Observatory (SOHO) -- a joint European Space Agency and NASA mission –- made an unexpected claim for fame: the sighting of new comets at an alarming ...

dateDec 13, 2011 in Space Exploration
shares0 comments 0

Fermi shows that Tycho's star shines in gamma rays

( -- In early November 1572, observers on Earth witnessed the appearance of a "new star" in the constellation Cassiopeia, an event now recognized as the brightest naked-eye supernova in more than 400 years. It's ...

dateDec 13, 2011 in Astronomy
shares0 comments 6