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  • Thumbnail for Solar eclipses on Jupiter
    Solar eclipses on Jupiter occur when any of the natural satellites of Jupiter pass in front of the Sun as seen from the planet Jupiter. For bodies that...
    6 KB (744 words) - 18:21, 1 April 2024
  • Sir Fred Hoyle FRS (24 June 1915 – 20 August 2001) was an English astronomer who formulated the theory of stellar nucleosynthesis and was one of the authors...
    54 KB (6,322 words) - 12:09, 4 July 2024
  • Thumbnail for Solar eclipse of April 7, 1978
    A partial solar eclipse occurred at the Moon's descending node of the orbit on Friday, April 7, 1978. A solar eclipse occurs when the Moon passes between...
    4 KB (183 words) - 01:36, 29 July 2022
  • Venera 15 (Russian: Венера-15 meaning Venus 15) was a spacecraft sent to Venus by the Soviet Union. This uncrewed orbiter was to map the surface of Venus...
    7 KB (605 words) - 19:37, 7 May 2024
  • Thumbnail for Artificial gravity
    Artificial gravity is the creation of an inertial force that mimics the effects of a gravitational force, usually by rotation. Artificial gravity, or rotational...
    42 KB (5,030 words) - 20:58, 18 June 2024
  • Lithium burning is a nucleosynthetic process in which lithium is depleted in a star. Lithium is generally present in brown dwarfs and not in older low-mass...
    5 KB (511 words) - 17:20, 23 June 2024
  • Thumbnail for National Space Activities Commission
    The National Space Activities Commission (Spanish: Comisión Nacional de Actividades Espaciales, CONAE) is the civilian agency of the government of Argentina...
    27 KB (2,689 words) - 21:52, 25 June 2024
  • Thumbnail for Southern celestial hemisphere
    The southern celestial hemisphere, also called the Southern Sky, is the southern half of the celestial sphere; that is, it lies south of the celestial...
    6 KB (527 words) - 11:42, 10 May 2024
  • Thumbnail for Stock 16
    Stock 16 is a very young Galactic open cluster in the H II region RCW 75 (= Gum 48a). This region lies at the end of an "elephant trunk" shaped molecular...
    2 KB (193 words) - 01:41, 14 May 2024
  • V1339 Aquilae, also known as HD 187567, is a Be star in the constellation Aquila. It is around 13 times as massive as the Sun and has 7.7 times its diameter...
    2 KB (78 words) - 06:44, 27 March 2022
  • Thumbnail for Montes Harbinger
    Montes Harbinger is an isolated cluster of lunar mountains at the western edge of the Mare Imbrium basin. The mountains consist of four primary ridges...
    2 KB (137 words) - 21:37, 30 May 2024
  • How to Build a Time Machine by Paul Davies is a 2002 physics book that discusses the possibilities of time travel. It was published by Penguin Books. In...
    1 KB (121 words) - 22:38, 23 January 2024
  • Thumbnail for Matter power spectrum
    The matter power spectrum describes the density contrast of the universe (the difference between the local density and the mean density) as a function...
    8 KB (1,201 words) - 12:59, 14 April 2024