Adapted from the Wikipedia article Fermi Gamma-ray Space Telescope, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia...
Explorer 11 (also known as S15) was the orbital spacecraft that carried the first gamma ray telescope. This was the earliest beginnings of gamma-ray a...
Grunsfeld’s academic positions include that of Visiting Scientist, University of Tokyo/Institute of Space and Astronautical Science (1980–...
Long before experiments could detect gamma rays emitted by cosmic sources, scientists had known that the universe should be producing these photons. W...
Perhaps the most spectacular discovery in gamma-ray astronomy came in the late 1960s and early 1970s from a constellation of military defense satellit...