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Umbriel
(Encyclopedia)Umbriel ŭmˈbrēĕlˌ [key], in astronomy, one of the moons, or natural satellites, of Uranus. ...ether, in physics and astronomy
(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...earth, in geology and astronomy
(Encyclopedia) CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...Shklovsky, Iosif Samuilovich
(Encyclopedia)Shklovsky, Iosif Samuilovich yôsˈĭf səmo͞oēlˈəvĭch shklŏfˈskē [key], 1916–85, Soviet astronomer. He was head of the department of radio-astronomy at the Sternberg Astronomical Institute,...radio telescope
(Encyclopedia)radio telescope: see radio astronomy. ...SOFIA
(Encyclopedia)SOFIA: see infrared astronomy.IRAS
(Encyclopedia)IRAS: see infrared astronomy.NICMOS
(Encyclopedia)NICMOS: see infrared astronomy.COBE
(Encyclopedia)COBE: see infrared astronomy.Einstein Observatory
(Encyclopedia)Einstein Observatory: see X-ray astronomy. ...Browse by Subject
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