• Thumbnail for Brown-dwarf desert
    The brown-dwarf desert is a theorized range of orbits around a star within which brown dwarfs are unlikely to be found as companion objects. This is usually...
    6 KB (739 words) - 13:33, 16 May 2025
  • Thumbnail for Brown dwarf
    Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main-sequence stars. Their...
    166 KB (18,158 words) - 19:25, 21 May 2025
  • Thumbnail for Dwarf star
    A dwarf star is a star of relatively small size and low luminosity. Most main sequence stars are dwarf stars. The meaning of the word "dwarf" was later...
    5 KB (577 words) - 19:34, 24 April 2025
  • Thumbnail for Neptunian desert
    super-Earth and Jovian exoplanets, similar to the reasons for the brown-dwarf desert. The exoplanet NGTS-4b, with mass of 20 ME, and a radius 20% smaller...
    5 KB (499 words) - 08:54, 17 February 2025
  • Thumbnail for Sub-brown dwarf
    A sub-brown dwarf or planetary-mass brown dwarf is an astronomical object that formed in the same manner as stars and brown dwarfs (i.e. through the collapse...
    11 KB (1,382 words) - 22:48, 15 March 2025
  • list of notable brown dwarfs. These are objects that have masses between heavy gas giants and low-mass stars. The first isolated brown dwarf discovered was...
    38 KB (1,566 words) - 04:45, 9 May 2025
  • Thumbnail for Black dwarf
    dwarfs is one observational limit on the universe's age. The name "black dwarf" has also been applied to hypothetical late-stage cooled brown dwarfs –...
    11 KB (1,248 words) - 11:05, 20 May 2025
  • Thumbnail for G-type main-sequence star
    star (spectral type: G-V), also often, and imprecisely, called a yellow dwarf, or G star, is a main-sequence star (luminosity class V) of spectral type...
    12 KB (1,170 words) - 14:37, 20 March 2025
  • Thumbnail for Blue dwarf (red-dwarf stage)
    blue dwarf is a hypothetical class of star that develops from a red dwarf after it has exhausted much of its hydrogen fuel supply. Because red dwarfs fuse...
    5 KB (664 words) - 00:41, 16 March 2025
  • Thumbnail for K-type main-sequence star
    A K-type main-sequence star, also referred to as a K-type dwarf, or orange dwarf, is a main-sequence (hydrogen-burning) star of spectral type K and luminosity...
    13 KB (1,425 words) - 20:20, 10 March 2025
  • Thumbnail for Red dwarf
    These red dwarfs have spectral types of L0 to L2. There is some overlap with the properties of brown dwarfs, since the most massive brown dwarfs at lower...
    36 KB (4,265 words) - 18:28, 17 May 2025
  • Thumbnail for Starlight
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    14 KB (1,695 words) - 03:06, 17 July 2024
  • the galactic bulge of the Milky Way. “Since the existence of the brown dwarf desert is the signature of different formation mechanisms for stars and planets...
    5 KB (359 words) - 03:07, 22 December 2023
  • Thumbnail for Circumpolar star
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    11 KB (1,268 words) - 10:36, 25 March 2025
  • Thumbnail for Strange star
    stars could survive to this day. Hypothetical strange-quark dwarfs would be white dwarf stars with strange-quark cores. Some studies predict these objects...
    13 KB (1,419 words) - 19:13, 24 May 2025
  • Thumbnail for Quasi-star
    they may have been very massive Population III stars. Such stars would dwarf VY Canis Majoris, Mu Cephei and VV Cephei A, three among the largest known...
    9 KB (1,036 words) - 10:59, 20 May 2025
  • Thumbnail for Blue straggler
    transfer blue stragglers at the outskirts. The discovery of low-mass white dwarf companions around two blue stragglers in the Kepler field suggests these...
    13 KB (1,502 words) - 10:16, 8 November 2024
  • Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    6 KB (617 words) - 20:41, 29 April 2025
  • Thumbnail for Protostar
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    10 KB (1,217 words) - 03:26, 24 May 2025
  • Thumbnail for T Tauri star
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    8 KB (901 words) - 02:38, 21 March 2025
  • Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    8 KB (1,089 words) - 17:52, 10 September 2024
  • Thumbnail for Stellar population
    population III stars. Clusters containing zero-metallicity red dwarfs or brown dwarfs (possibly created by pair-instability supernovae) have been proposed...
    35 KB (3,543 words) - 09:55, 22 May 2025
  • Thumbnail for List of brightest stars
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    36 KB (1,304 words) - 00:52, 21 April 2025
  • Thumbnail for Gravastar
    S2CID 118669175. Camenzind, Max (2007). Compact Objects in Astrophysics: White Dwarfs, Neutron Stars and Black Holes. Astronomy and astrophysics library. Berlin ;...
    14 KB (1,408 words) - 04:08, 2 May 2025
  • Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    108 KB (2,160 words) - 16:26, 23 May 2025
  • Thumbnail for Protoplanetary disk
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    22 KB (2,205 words) - 00:37, 29 April 2025
  • Thumbnail for Stellar atmosphere
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    7 KB (818 words) - 21:35, 28 November 2024
  • Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    5 KB (552 words) - 13:46, 13 May 2025
  • Thumbnail for Pre-main-sequence star
    Planetary nebulae Timeline of stellar astronomy Related Substellar object Brown dwarf Desert Sub Planet Galactic year Galaxy Guest Gravity Intergalactic Planet-hosting...
    4 KB (481 words) - 02:20, 30 August 2024
  • Thumbnail for F-type main-sequence star
    is referred to as a dwarf star, this class of star may also be termed a yellow-white dwarf (not to be confused with white dwarfs, remnant stars that are...
    11 KB (1,247 words) - 22:46, 22 January 2025