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Lisa E. Greathouse has written:
'Skygazers' -- subject(s): Juvenile literature, Astronomers, Astronomy, Stars
Gerald North has written:
'Astronomy in depth' -- subject(s): Astronomy
'Mastering Astronomy'
'Astronomy explained' -- subject(s): Astronomy
'Mastering astronomy'
Either Astrophysics or Astrology/Astronomy.
Probably a satellite used for astronomy observations.Probably a satellite used for astronomy observations.Probably a satellite used for astronomy observations.Probably a satellite used for astronomy observations.