• Thumbnail for Circumstellar disc
    A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids...
    27 KB (3,414 words) - 19:06, 21 August 2024
  • Thumbnail for Alpha Centauri
    α Centauri AB, which may be interpreted as evidence for a sparse circumstellar disc or dense interplanetary dust. The total mass was estimated to be between...
    119 KB (11,291 words) - 13:01, 18 August 2024
  • or circumplanetary disks. But they can also be galactic rings and circumstellar discs, belts of planetoids, such as the asteroid belt or Kuiper belt, or...
    37 KB (3,751 words) - 16:08, 9 August 2024
  • nebulae, and circumstellar envelopes of young stellar objects evolve into circumstellar discs. Circumstellar envelopes of AGB stars Circumstellar envelopes...
    2 KB (198 words) - 07:50, 1 October 2023
  • Thumbnail for Scattered disc
    The scattered disc (or scattered disk) is a distant circumstellar disc in the Solar System that is sparsely populated by icy small Solar System bodies...
    38 KB (4,384 words) - 05:32, 23 July 2024
  • Circumstellar dust is cosmic dust around a star. It can be in the form of a spherical shell or a disc, e.g. an accretion disk. Circumstellar dust can be...
    4 KB (457 words) - 15:10, 2 October 2023
  • Thumbnail for Circumplanetary disk
    the only system in which a circumplanetary disc is likely present as well as a resolved circumstellar disc." In 2020 though, the parameters of CS Cha...
    19 KB (2,179 words) - 04:21, 18 July 2024
  • Thumbnail for Lists of planets
    Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted...
    9 KB (786 words) - 14:37, 23 August 2024
  • beyond Jupiter are known as distant minor planets. asteroid belt The circumstellar disc in the Solar System located roughly between the orbits of Mars and...
    161 KB (18,470 words) - 00:58, 21 August 2024
  • Thumbnail for Asteroid belt
    Solar System. The asteroid belt is the smallest and innermost known circumstellar disc in the Solar System. Classes of small Solar System bodies in other...
    82 KB (8,804 words) - 06:11, 19 August 2024
  • Thumbnail for Protoplanetary disk
    A protoplanetary disk is a rotating circumstellar disc of dense gas and dust surrounding a young newly formed star, a T Tauri star, or Herbig Ae/Be star...
    21 KB (2,139 words) - 00:18, 1 August 2024
  • Thumbnail for Kuiper belt
    The Kuiper belt (/ˈkaɪpər/ KY-pər) is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU)...
    118 KB (13,220 words) - 04:41, 29 July 2024
  • direct imaging, HR 2562 B orbits within the inner edge of HR 2562's circumstellar disc—as of April 2023, it is one of only two known brown dwarfs to do so...
    8 KB (865 words) - 17:09, 23 August 2024
  • Thumbnail for Planet
    evidence suggests orbital clearing is taking place within their circumstellar discs. Gravity causes planets to be pulled into a roughly spherical shape...
    197 KB (20,743 words) - 12:13, 23 August 2024
  • Thumbnail for Exoasteroid
    astrophysicists Benjamin Zuckerman and Eric Becklin detected a substantial circumstellar disc encircling the white dwarf star G 29-38, stemming from a near-infrared...
    9 KB (936 words) - 15:19, 28 May 2024
  • Thumbnail for Hills cloud
    Hills cloud (category Circumstellar disks)
    called the inner Oort cloud and inner cloud) is a theoretical vast circumstellar disc, interior to the Oort cloud, whose outer border would be located at...
    22 KB (2,592 words) - 01:43, 18 July 2024
  • Thumbnail for Solar System
    region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc. The Sun is a typical star that maintains a balanced equilibrium by the fusion...
    220 KB (21,683 words) - 15:22, 19 August 2024
  • Thumbnail for Io (moon)
    Accretion Accretion disk Excretion disk Circumplanetary disk Circumstellar disc Circumstellar envelope Coatlicue Cosmic dust Debris disk Detached object...
    113 KB (12,469 words) - 22:11, 13 August 2024
  • Thumbnail for HD 107146
    HD 107146 (category Circumstellar disks)
    presence of a spatially resolved disk surrounding the star. The star's circumstellar disc has dimensions of approximately 210 × 300 AU. The dusty ring is cool...
    12 KB (909 words) - 02:09, 29 July 2024
  • Thumbnail for Solar System belts
    trans-Neptunian objects 150 to 250 AU Hills cloud a large hypothetical circumstellar disc Solar System planets and dwarf planets listed for distances comparison...
    13 KB (1,127 words) - 12:24, 9 June 2024
  • Thumbnail for Venus
    migrating in waves, or the remains of the Solar System's original circumstellar disc that formed the planetary system. Earth and Venus have a near orbital...
    217 KB (19,769 words) - 10:17, 25 August 2024
  • Accretion Accretion disk Excretion disk Circumplanetary disk Circumstellar disc Circumstellar envelope Coatlicue Cosmic dust Debris disk Detached object...
    24 KB (1,941 words) - 22:38, 22 August 2024
  • Thumbnail for Accretion disk
    An accretion disk is a structure (often a circumstellar disk) formed by diffuse material in orbital motion around a massive central body. The central...
    33 KB (4,352 words) - 13:28, 11 August 2024
  • this is that it is the result of accretion of metal-poor gas from a circumstellar disc, and a second possibility is the accretion of material from a hot...
    2 KB (192 words) - 13:04, 30 July 2023
  • Thumbnail for Land
    by gravitational collapse, which begins to spin and flatten into a circumstellar disc, out of which the planets then grow (in tandem with the star). A nebula...
    140 KB (13,669 words) - 03:44, 26 August 2024
  • Thumbnail for T Tauri star
    WTTS. Roughly half of T Tauri stars have circumstellar disks, which in this case are called protoplanetary discs because they are probably the progenitors...
    9 KB (928 words) - 20:03, 20 March 2024
  • Thumbnail for B Centauri b
    critical mass, starts rapidly accreting the surrounding gas of the circumstellar disc. This mechanism cannot explain b Cen (AB)b, because core accretion...
    8 KB (923 words) - 02:48, 17 March 2024
  • Thumbnail for Ocean world
    nature of planet formation but also a subsequent migration through the circumstellar disc from the planet's place of origin. As of 24 July 2024, there are 7...
    52 KB (5,638 words) - 19:25, 17 August 2024
  • Thumbnail for Timeline of Solar System astronomy
    Accretion Accretion disk Excretion disk Circumplanetary disk Circumstellar disc Circumstellar envelope Coatlicue Cosmic dust Debris disk Detached object...
    129 KB (13,493 words) - 17:23, 31 July 2024
  • Thumbnail for Habitable zone
    astronomy and astrobiology, the habitable zone (HZ), or more precisely the circumstellar habitable zone (CHZ), is the range of orbits around a star within which...
    134 KB (13,731 words) - 01:21, 25 August 2024