Search results

...p]] of galaxies, which is a member of the [[Virgo II Groups]], a series of galaxies and [[galaxy cluster]]s strung out from the southern edge of the [[Virgo Su ...k hole absorbing matter from a nearby, low-mass object; possibly a [[brown dwarf]] star.<ref>{{cite web|url=http://news.nationalpost.com/2013/04/04/astronom ...

...ermassive black hole mass-Sérsic index relations for bulges and elliptical galaxies |journal=Monthly Notices of the Royal Astronomical Society |volume=434 |iss [[File:M33HunterWilson09.jpg|thumb|250px|Discs of spiral galaxies, such as the [[Triangulum Galaxy]], have low Sérsic indices and a low degre ...

...recoil]], and would prove that supermassive black holes can exist outside galaxies. ...e that supermassive black holes (SMBHs) can be ejected from the centers of galaxies by gravitational wave recoil. This happens when two SMBHs in a binary syste ...

{{Short description|Dwarf galaxy in the constellation Eridanus with a rectangular shape}} ...etoday.com |access-date=27 October 2021 |date=20 March 2012}}</ref> is a [[dwarf galaxy]] with a rare rectangular shape.<ref name=paper/> It is located at a ...

...rrows represent the positions and velocities of stars originating from the dwarf galaxy, the data taken from a simulated merger with the Milky Way with simi | type =[[Dwarf galaxy]] ...

...]] on the order of 1 [[light year]]. Fuzzy cold dark matter halos in dwarf galaxies would manifest wave behavior on astrophysical scales, and the cusps would b ...

| names = [[Principal Galaxies Catalogue|PGC]] 9892, [[Uppsala General Catalogue Addendum|UGCA]] 034<ref n ...nown to belong to a separate group, the [[IC 342/Maffei Group]]. It was [[galaxies named after people|named]] after [[Paolo Maffei]], who discovered it and th ...

...er]] or [[galactic halo]], to [[galaxy cluster]]s, to [[Dwarf galaxy|dwarf galaxies]], depending on allowable energy range for each instrument.<ref name=":6" / ...o detect or constrain the properties of dark matter, observations of dwarf galaxies have been carried out. Limits may be placed on the annihilation cross secti ...

...y. They have been observed in the Milky Way's halo and within other nearby galaxies. ...s are probably spawned by interactions between the Milky Way and satellite galaxies, such as the [[Magellanic Clouds|Large and Small Magellanic Clouds]] (LMC a ...

...last=Tinsley|first=B. M.|date=1980|title=Evolution of the Stars and Gas in Galaxies |journal=Fundamentals of Cosmic Physics|language=en|volume=5|pages=287–388| ...ilky Way stellar disk. A detailed elemental abundance study of 714 F and G dwarf stars in the solar neighbourhood |journal=Astronomy and Astrophysics|volume ...

...et]]s, [[asteroid]]s and [[comet]]s, around various [[star]]s, in [[Galaxy|galaxies]], and in the [[universe]]. The results allow estimating the future prospe ...iated energy about [[red giant]] stars and [[White dwarf|white]] and [[red dwarf]] stars could support a time-integrated ''BIOTA'' up to 10⁴⁶ kg- ...

...bright), called the [[main sequence]]. In the lower-left is where [[white dwarf]]s are found, and above the main sequence are the [[subgiant]]s, [[giant st ...st=Palma |first=Christopher |date=2016 |website=ASTRO 801: Planets, Stars, Galaxies, and the Universe |publisher=John A. Dutton e-Education Institute: College ...

...inconsistent with the observed rotation velocities of [[dwarf galaxy|dwarf galaxies]].<ref name=QuantaMagazine2017>{{cite news | title=Researchers check space- ...cess of the theory so far has been predicting the rotation curves of large galaxies."<ref name=QuantaMagazine2017/> ...

...y|satellites]] as well as the internal kinematics of more distant [[Galaxy|galaxies]]. Measurement of the kinematics of stars in different subcomponents of the ...the influence of [[gravity]]. Stellar-dynamical models of systems such as galaxies or star clusters are often compared with or tested against stellar-kinemati ...

...agazine)|Wired]] |accessdate=10 January 2023 }}</ref><ref name=FPI_1/> Pea galaxies are so-named because of their small size and greenish appearance in the ima "Pea" galaxies were first discovered in 2007 by the volunteer [[citizen scientists]] withi ...

...es a modification of Newton's laws to account for observed properties of [[galaxies]]. Modifying [[Newton's law of gravity]] results in [[modified gravity]], w ...difies Newton's laws for extremely small accelerations which are common in galaxies and galaxy clusters. This provides a good fit to galaxy rotation curve data ...

...re proposed by some researchers to explain the unexpected very large early galaxies discovered by the [[James Webb Space Telescope]] (JWST).<ref name="jwst1" / ...broadly [[platykurtic]] were evident from JWST observations of early large galaxies.<ref name="jwst"/><ref name="Bird"/> Recent analyses agree, suggesting a br ...

...to physical scales of <math>\lambda\sim0.6 \,{\rm kpc}</math> (i.e., dwarf galaxies). By combining COBE’s measurements of the large-scale CMB anisotropies with ...e energy injection caused by the hot electrons residing inside clusters of galaxies was considered and the associated effect is more commonly referred to as th ...

...|4.1}} Clouds of hydrogen collapsed very slowly to form stars and [[galaxy|galaxies]], so there were few sources of light and the emission from these sources w ...int around 200 to 500 million years, the earliest generations of stars and galaxies form (exact timings are still being researched), and early large structures ...

...er particles that are not organized into distinct structures like stars or galaxies.}} in [[orbit]]al motion around a massive [[primary (astronomy)|central bod ...ng certain objects, such as the [[active galactic nucleus|nuclei of active galaxies]], emit [[relativistic jet|jets]] along their polar axes? These jets are in ...