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  • | name = Neptune | symbol = [[Image:Neptune symbol.svg|25px|Astronomical symbol of Neptune]]
    30 KB (4,463 words) - 23:43, 15 November 2018
  • | symbol = [[File:Pluto symbol.png|25px|Astronomical symbol of Pluto]] | caption = Computer-generated map of Pluto from [[Hubble space telescope|Hubble]] images, synthesized true color
    50 KB (7,380 words) - 21:54, 29 March 2019
  • ... planet]]s (including [[Pluto]]) with their four known moons, and billions of [[small solar system body|small bodies]], classified primarily as [[asteroi * the [[asteroid belt]] of small rocky bodies
    61 KB (9,526 words) - 22:17, 17 May 2018
  • [[File:Planets2013.jpg|thumb|right|420px|The eight '''planets''' of the solar system. ''(Sizes to scale; distances and illumination not to scal ...u.org/news/pressreleases/detail/iau0603/ IAU 2006 General Assembly: Result of the IAU Resolution votes.] Retrieved May 6, 2015.</ref>
    37 KB (5,416 words) - 20:55, 29 March 2019
  • [[Image:Kuiper oort.jpg|350px|right|thumb|Artist's rendering of the Kuiper Belt and hypothetical more distant [[Oort cloud]].]] ...he [[Sun]]. The objects within the Kuiper belt, together with the members of the [[scattered disk]] extending beyond, are collectively referred to as [[
    20 KB (2,882 words) - 14:59, 25 April 2018
  • ...|280px|This view from the [[International Space Station]] shows the shadow of the Moon cast upon the eastern [[Mediterranean Sea]] near [[Cyprus]]. ''[[N ...t to the star is called the '''occulting object,''' as it blocks the light of the star as seen from the more distant object.
    20 KB (3,208 words) - 23:27, 4 August 2017
  • ... came from asteroids, gives us precious information on the early evolution of our [[solar system]]. They are precious gifts to humanity so that we can un ...ds of asteroids have been discovered within the solar system, and the rate of discovery has been increasing. Each asteroid discovered is given a tentativ
    22 KB (3,326 words) - 17:35, 28 September 2016
  • | [[List of R-phrases|R-phrases]] || {{R12}} | [[List of S-phrases|S-phrases]] || {{S2}}, {{S9}}, {{S16}}, {{S33}}
    17 KB (2,505 words) - 16:00, 21 October 2014
  • ...humb|right|Understanding planetary habitability is partly an extrapolation of the [[Earth]]'s conditions, as it is the only [[planet]] currently known to ...regard is a component of [[planetary science]] and the emerging discipline of [[astrobiology]].
    54 KB (8,189 words) - 20:58, 29 March 2019
  • ... was [[Mariner 10]], from 1974 to 1975, which mapped only 40 to 45 percent of the planet's surface. ... the Sun would appear directly overhead) being the hottest and the bottoms of craters near the [[geographical poles]] being the coldest.
    35 KB (5,451 words) - 21:38, 17 September 2018
  • ...over, and through the Earth is called the '''water cycle''', a key process of the hydrosphere.]] ... and over a [[planet]]'s surface. The Earth's hydrosphere consists chiefly of the [[ocean]]s, but technically includes [[cloud]]s, inland [[sea]]s, [[lak
    6 KB (963 words) - 20:07, 22 January 2018
  • ...rth. The brown dwarf, called Gliese 229B, is about 20 to 50 times the mass of [[Jupiter]].]] ...drogen]]-burning [[nuclear fusion]] reactions in its core. The upper limit of its mass is between 75 (Boss, 2001. [http://www.carnegieinstitution.org/New
    26 KB (3,986 words) - 22:46, 6 July 2016
  • ... the most important foundation for life to be generated and sustained. Any search for extraterrestrial life forms would focus on finding a planet bearing air ...anetary materials or stimulants, theory and modeling, and considerable use of [[computer simulation]]. Planetary science studies objects ranging in size
    4 KB (650 words) - 00:08, 4 April 2008
  • | image name=Official portrait of Barack Obama.jpg | order=44th President of the United States
    77 KB (10,830 words) - 16:26, 7 September 2019

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