X-ray Astronomy

Group One - Match the celestial body with its definition.
Celestial Body	Definition
galaxy neutron star binary system normal star pulsars black hole	rotation neutron star which generates regular bursts of radiation two stars that orbit around a common center of mass the imploded core of a massive star produced by a supernova explosion a component of the Universe made up of gas and a large number of stars held together by gravity an object whose gravity is so strong that even light can't escape a large ball of gas that creates and emits its own radiation

Group Two - Match the satellite with its definition.
Satellite	Definition
Uhuru Ariel 5 SAS-3 Ginga RXTE ROSAT CGRO	the third Small Astronomy Satellite that was used to determine the location of bright x-ray sources Roentgen Satellite, dedicated to the All Sky Survey, a joint German, British, and American venture the third Japenese x-ray mission in 1987-1991, carried the LAC (Large Area Counter) NASA's Small Astronomy Satellite launched from Kenya Compton Gamma Ray Observer in 1991-2000, it was NASA's Second Great Observatory to observe the EM spectrum Rossi X-ray Timing Explorer, studied time resolution of x-rays in combination with moderate spectral resolution to explore the variability of x-rays a British and American collaboration of an x-ray mission, monitored the x-ray sky from 1974-1980