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Astronomical objects

 * Comet Shoemaker-Levy 9 -
 * Crab Nebula -
 * Enceladus (moon) -
 * Extrasolar planet
 * Globular cluster}
 * H II region
 * Herbig-Haro object
 * Hubble Deep Field
 * Kreutz Sungrazers
 * Mercury (planet)
 * Open cluster
 * Planetary nebula
 * Star
 * Sun
 * Venus
 * Hubble Deep Field
 * Kreutz Sungrazers
 * Mercury (planet)
 * Open cluster
 * Planetary nebula
 * Star
 * Sun
 * Venus

Other

 * Apollo 8
 * Astrophysics Data System
 * ATLAS experiment
 * Albert Einstein
 * Hubble Space Telescope
 * Planetary habitability
 * Redshift
 * Roche limit
 * Carl Sagan
 * Saturn V
 * Silverpit crater
 * Space elevator
 * Speed of light
 * Solar eclipse
 * Transit of Venus