• In chemistry, molecular orbital theory (MO theory or MOT) is a method for describing the electronic structure of molecules using quantum mechanics. It...
    22 KB (2,943 words) - 17:32, 23 June 2024
  • Fischer carbene is a type of transition metal carbene complex, which is an organometallic compound containing a divalent organic ligand. In a Fischer...
    12 KB (1,438 words) - 05:42, 13 August 2024
  • of the Coulson–Fischer method. Coulson–Fischer theory is an extension of modern valence bond theory that uses localized atomic orbitals as the basis for...
    4 KB (613 words) - 12:57, 4 November 2023
  • Thumbnail for Orbital resonance
    mechanics, orbital resonance occurs when orbiting bodies exert regular, periodic gravitational influence on each other, usually because their orbital periods...
    97 KB (10,257 words) - 05:23, 17 September 2024
  • Thumbnail for Alpha Centauri
    0.5 solar luminosity. The pair orbit around a common centre with an orbital period of 79 years. Their elliptical orbit is eccentric, so that the distance...
    118 KB (11,189 words) - 16:12, 17 September 2024
  • Thumbnail for Neptune
    Neptune (redirect from Orbit of Neptune)
    observation, when unexpected changes in the orbit of Uranus led Alexis Bouvard to hypothesise that its orbit was subject to gravitational perturbation by...
    147 KB (14,336 words) - 10:08, 10 September 2024
  • Thumbnail for Mars Reconnaissance Orbiter
    The Mars Reconnaissance Orbiter (MRO) is a spacecraft designed to search for the existence of water on Mars and provide support for missions to Mars,...
    102 KB (9,013 words) - 09:19, 6 September 2024
  • Thumbnail for Debra Fischer
    Debra Ann Fischer is an American astronomer who is the Eugene Higgins professor of astronomy at Yale University researching detection and characterization...
    15 KB (1,139 words) - 04:09, 17 July 2024
  • Thumbnail for Jupiter
    Jupiter (redirect from Jovian orbit)
    Earth, and a tenth that of the Sun. Jupiter orbits the Sun at a distance of 5.20 AU (778.5 Gm), with an orbital period of 11.86 years. It is the third brightest...
    176 KB (16,530 words) - 02:37, 17 September 2024
  • Thumbnail for 55 Cancri e
    alias and, separately, that there was a 260-day planet in orbit around 55 Cancri. In 2008, Fischer et al. published a new analysis that appeared to confirm...
    33 KB (3,184 words) - 18:01, 12 September 2024
  • Thumbnail for Formation and evolution of the Solar System
    is likely that the Sun will be left with none of the original bodies in orbit around it. Ideas concerning the origin and fate of the world date from the...
    113 KB (13,507 words) - 03:42, 16 September 2024
  • Thumbnail for Uranus
    Uranus (redirect from Orbit of Uranus)
    period of 17 hours and 14 minutes. This means that in an 84-Earth-year orbital period around the Sun, its poles get around 42 years of continuous sunlight...
    158 KB (15,606 words) - 09:41, 1 September 2024
  • Thumbnail for Planet
    Planet (redirect from Planetocentric orbit)
    a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The...
    197 KB (20,747 words) - 04:13, 4 September 2024
  • Thumbnail for Jack D. Fischer
    6 hour rendezvous instead of the 2 day orbital rendezvous of the previous launches. On May 13, 2017, Fischer performed his first career EVA with Peggy...
    11 KB (1,052 words) - 20:05, 3 September 2024
  • Thumbnail for Alternative versions of Captain America
    individuals who independently use the moniker of Captain America: Aaron Fischer, the "Captain America of the Railways" who is the first LGBT character...
    62 KB (8,957 words) - 16:18, 16 September 2024
  • Thumbnail for Russia
    the Space Age. Russian cosmonaut Yuri Gagarin became the first human to orbit the Earth, aboard the Vostok 1 crewed spacecraft on 12 April 1961. Following...
    372 KB (33,713 words) - 17:28, 11 September 2024
  • Thumbnail for Habitable zone
    original on 26 September 2008. Retrieved 2008-09-14. Fischer, Debra A.; et al. (2008). "Five Planets Orbiting 55 Cancri". The Astrophysical Journal. 675 (1):...
    134 KB (13,731 words) - 01:21, 25 August 2024
  • Thumbnail for Donald Trump
    Kevin; Klein, Betsy (October 5, 2020). "A timeline of Trump and those in his orbit during a week of coronavirus developments". CNN. Retrieved October 3, 2020...
    405 KB (35,970 words) - 11:24, 16 September 2024
  • Thumbnail for 55 Cancri f
    A. Fischer; Geoffrey W. Marcy; R. Paul Butler; Steven S. Vogt; Greg Laughlin; Gregory W. Henry; et al. (23 December 2007). "Five Planets Orbiting 55 Cancri"...
    11 KB (822 words) - 15:21, 14 September 2024
  • their return to the Endurance. Romilly's efforts to keep the Endurance in orbit around the planet for so long drastically depleted the fuel reserves of...
    150 KB (12,313 words) - 22:18, 15 September 2024
  • Thumbnail for Galileo Galilei
    Mercury and Venus orbit the Sun, whilst in its extended version such as expounded by Riccioli, Mars also orbits the Sun, but the orbits of Jupiter and Saturn...
    130 KB (15,838 words) - 03:19, 14 September 2024
  • 99942 Apophis (section Orbit)
    on December 27, and an improved orbit solution was computed. Radar astrometry in January 2005 further refined its orbit solution. The discovery was notable...
    93 KB (7,341 words) - 07:51, 5 September 2024
  • Friendly, David T. (July 24, 1986). "Aliens: A Battle-Scarred Trek into Orbit". Los Angeles Times. Archived from the original on July 26, 2020. Retrieved...
    207 KB (18,187 words) - 08:44, 13 September 2024
  • Thumbnail for Bis(benzene)chromium
    bis(benzene)chromium was largely contributed by Ernst Otto Fischer and Walter Hafner in the 1950s. Ernst Otto Fischer postulated that it might be possible to synthesize...
    17 KB (1,555 words) - 13:31, 21 October 2023
  • Thumbnail for Cat
    detect pain in cats. The feline grimace scale's five criteria ear position, orbital tightening, muzzle tension, whisker change, and head position indicated...
    160 KB (16,545 words) - 08:05, 17 September 2024
  • Thumbnail for Ligand
    of 3 and 2 orbitals (for a more in-depth explanation, see crystal field theory): 3 orbitals of low energy: dxy, dxz and dyz and 2 orbitals of high energy:...
    35 KB (3,307 words) - 13:02, 16 February 2024
  • The Exoplanet Data Explorer / Exoplanet Orbit Database is a database listing extrasolar planets up to 24 Jupiter masses. "We have retained the generous...
    3 KB (299 words) - 01:06, 24 May 2024
  • Thumbnail for Friedrich Nietzsche
    main opponents in his philosophy, and later engaged, via the work of Kuno Fischer in particular, with the thought of Baruch Spinoza, whom he saw as his "precursor"...
    202 KB (22,601 words) - 04:01, 13 September 2024
  • orbital (MO) theory, that were developed to use the methods of quantum mechanics to explain chemical bonding. It focuses on how the atomic orbitals of...
    12 KB (1,576 words) - 07:10, 29 April 2024
  • Thumbnail for Hot Jupiter
    inferred to be physically similar to Jupiter but that have very short orbital periods (P < 10 days). The close proximity to their stars and high surface-atmosphere...
    43 KB (5,040 words) - 02:54, 16 September 2024