Quantcast

Latest GRB 970228 Stories

8541212ed19bd9c75b5d76caca6fa2c91
2005-04-06 07:20:15

PSU -- The NASA-led Swift mission has measured the distance to two gamma-ray bursts -- back to back, from opposite parts of the sky -- and both were from over nine billion light years away, unleashed billions of years before the Sun and Earth formed. These represent the mission's first direct distance, or redshift, measurements, its latest milestone since being launched in November 2004. The distances were attained with Swift's Ultraviolet/OpticalTelescope (UVOT). The Swift science team...

1abcf9ed5c16044cd3ef07e2627350e1
2005-02-01 18:21:43

PSU -- The Swift satellite's Ultraviolet/Optical Telescope (UVOT) has seen first light, capturing an image of the Pinwheel Galaxy, long loved by amateur astronomers as the "perfect" face-on spiral galaxy. The UVOT now remains poised to observe its first gamma-ray burst. Swift is a NASA-led mission dedicated to the gamma-ray burst mystery. These random and fleeting explosions likely signal the birth of black holes. With the UVOT turned on, Swift now is fully operational. Swift's two other...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
Related