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...er, about 35% of the mass consists of stars that have evolved into [[white dwarf]]s or other [[stellar remnant]]s. The remainder of lost mass consists of st ...=Lepine. J.R.D. | title=New catalog of optically visible open clusters and candidates | journal=Astronomy and Astrophysics | volume=389 | pages=871–873 |date=Jul ...

|type=[[brown dwarf]] ...cess=free }}</ref> Lodieu et al. describe WISEA 1810-1010 as a water vapor dwarf due to its atmosphere being dominated by [[hydrogen]] and [[water vapor]].< ...

[[File:2022 229 Display.jpg|thumb|Exoplanet and Brown Dwarf Models displayed at Clifton Park Museum.]] ...niversity of California]]'s [[Lick-Carnegie Exoplanet Survey|Lick-Carnegie Planet Search Team]]<ref name="sify">{{Cite news|url=http://www.sify.com/news/astr ...

...brown dwarf]] that appears to have retained enough gas to form a gas giant planet for much longer than the typically assumed gas dispersal timescale of appro ...group]], older than expected for these characteristics of an [[Red dwarf|M-dwarf]].<ref name="Silverberg"/><ref name="Murphy2018" /> Other stars and brown d ...

| name = Backyard Worlds: Planet 9 | logo_caption = Logo of Backyard Worlds: Planet 9 ...

...rming regions or young associations, which are also referred to as [[rogue planet]]s. ...value, and an estimated range is instead provided. The coldest and oldest planet directly imaged is [[Epsilon Indi Ab]], which has six times Jupiter's mass, ...

...name="Kashlinsky"/><ref name="jwst"/> Primordial black holes are also good candidates for being the seeds of the [[supermassive black hole]]s at the center of ma ...</ref> the [[cosmic microwave background]] anisotropies, the size of faint dwarf galaxies, and the absence of correlation between X-ray and radio sources to ...

...lative to each other. Outward from the [[Sun]], the planets are [[Mercury (planet)|Mercury]], [[Venus]], [[Earth]], [[Mars]], [[Jupiter]], [[Saturn]], [[Uran ...number ten, Philolaus created the antichthon, or counter-earth. This tenth planet is always invisible to us, because it is between us and the central fire an ...

...[astronomical object]] (such as an [[asteroid]], a [[comet]], or a [[rogue planet]], but not a [[star]] or [[stellar remnant]]) in [[interstellar space]] tha ...44]]), though they are difficult to distinguish from [[sub-brown dwarf]]s, planet-mass objects that formed in interstellar space as stars do. ...

{{Short description|Hypothetical Solar System planet}} {{Distinguish||text=the [[Planet X]] proposed in 1906 by [[Percival Lowell]]}} ...

|Orbited by a white dwarf star (see below) ...PSR B1620-26 and its white dwarf companion (see below) in a [[Circumbinary planet|circumbinary]] orbit. ...

..."8hZ77" /><ref name="EKWXb" /><ref name="UxcVg" /> and it is the largest [[planet]] in the [[Solar System]].<ref name="Ujyhy" />]] ...here is the fact that these objects might be [[brown dwarf]]s, [[sub-brown dwarf]]s, or not exist at all. Because of this, this list only cites the most cer ...

{{Short description|Eighth planet from the Sun}} {{About|the planet|the Roman god|Neptune (mythology)|other uses}} ...

{{Short description|Ultra-cool red dwarf star in the constellation Aquarius}} | image = [[File:The ultracool dwarf star TRAPPIST-1 in the constellation of Aquarius.tif|300px|alt=TRAPPIST-1 l ...