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...=The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity|year=2016|journal=[[Monthly Notices of the Royal Ast ...rger than of the Sun, making it one of the [[List of largest stars|largest stars]] discovered so far. If placed at the center of the [[Solar System]], its [ ...

...nter''':&nbsp;{{RA|14|35|08.763}}<ref name="ned">{{cite web|work=NASA/IPAC Extragalactic Database|title=Results for NGC 5679|url=http://ned.ipac.caltech.edu/cgi-bin ...can be seen just above the galaxy on the right side; these are foreground stars that are actually part of our own galaxy.<ref name=aan/> ...

.... The expectation is that something else is happening to these extra large stars. Failed supernovae and black hole formation is one proposed explanation.<re ...objects. The data the instrument collected matches that of a merger of two stars; however, the failed supernova hypothesis cannot be ruled out.<ref>{{cite j ...

...|doi=10.1051/aas:1998129|title=Hipparcos photometry of 24 variable massive stars (α Cygni variables)|journal=Astronomy and Astrophysics Supplement Series|vo ...149–174|last1=Bresolin|first1=Fabio|chapter=Blue Supergiants as a Tool for Extragalactic Distances — Empirical Diagnostics |year=2003|doi=10.1007/978-3-540-39882-0_ ...

...Cite web |title=The Brightest Stars |url=http://www.atlasoftheuniverse.com/stars.html |access-date=2019-01-17 |website=www.atlasoftheuniverse.com}}</ref> ...|archive-url= |archive-date= |access-date=2018-12-15 |website=[[NASA/IPAC Extragalactic Database]]}}</ref> ...

...2007.</ref><ref name="Baumann" /> Additionally, objects such as galaxies, stars, and planets could not have existed in the extreme temperatures and densiti ...<ref>{{cite journal|last=Sandage|first=Allan|title=Current Problems in the Extragalactic Distance Scale|journal=Astrophysical Journal|date=1958|volume=127|page=513| ...

...YES&of=pre_text&omegav=0.73&corr_z=1&omegam=0.27 | title=NGC 681 NASA/IPAC Extragalactic Database Results |website=ned.ipac.caltech.edu | access-date=November 2, 20 ...mpiler of the first ''[[New General Catalogue]] of Nebulae and Clusters of Stars'', described NGC 681 as being a "pretty faint, considerably large, round, s ...

...he sky for observational astronomy surveys. It is located near the pointer stars of the [[Big Dipper]] in the [[constellation]] [[Ursa Major]] and is ~15 sq | title=SHADES: SCUBA Half Degree Extragalactic Survey ...

...de mainly of old [[metal-rich]] stars. It has a tiny blue nucleus in which stars continue to form. Like all large ellipticals it contains a significant popu ...ther hindered by the fact that it is covered by myriads of faint Milky Way stars, which can easily be confused with its own. As a result, determining its di ...

...rometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18 |last1=Anders |first1=F. |last2=Khalatyan |first2=A. | In 1966, analysis of [[Magellanic Cloud]] variable stars showed that HV 2112 had a photographic magnitude range from 13.0 to below 1 ...

To compute the total mass of the system, including stars, gas, and dark matter, the [[Jeans equations]] need to be used with density [[Category:Extragalactic astronomy]] ...

...was once recognized as the best candidate for the [[List of largest known stars|largest known star]] when it was a [[red supergiant]],<ref name=levesque/> ...t=Westerlund |first=B. E. |date=1987 |title=Photometry and spectroscopy of stars in the region of a highly reddened cluster in ARA |journal=[[Astronomy & As ...

...Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. I. Classical Cepheids in the Large Magellanic Cloud |author1=Soszynski, I. ...cal axis is its [[apparent magnitude]]. The lines drawn correspond to the stars' minimum and maximum brightness.<ref name="Leavitt1912" /><ref>{{cite web | ...

...itle=Massive black holes: formation and evolution|journal=Black Holes from Stars to Galaxies – Across the Range of Masses|url=http://adsabs.harvard.edu/abs/ ...2-04-01|title=Relativistic Collapse and Explosion of Rotating Supermassive Stars with Thermonuclear Effects|url=http://adsabs.harvard.edu/abs/2012ApJ...749. ...

...[[Cepheid variable]] [[star]]. They are young, [[population I]] [[variable stars]] that exhibit regular radial [[Stellar pulsation|pulsations]] with periods ...epheids as viable [[standard candle]]s for establishing the galactic and [[extragalactic distance scale]]s.<ref name=freedman2001/><ref name=tammannsandage2008/><re ...

...c C. |last15=Bruch |first15=Rachel J. |date=2023-06-01 |title=A Search for Extragalactic Fast Blue Optical Transients in ZTF and the Rate of AT2018cow-like Transien ...s involve stars being ripped apart by black holes or the merger of neutron stars. |url=https://www.space.com/intergalactic-space-explosion-lfbot |date=6 Oct ...

...and <math>D_d~</math> is the distance from the observer to the lens. For extragalactic lenses, these must be [[angular diameter distance]]s. ...st = G. |author2=Jarvis, M. |date=February 2002 | title=Shapes and Shears, Stars and Smears: Optimal Measurements for Weak Lensing| journal = Astronomical J ...

...aller. All LCDM distortions are furthermore obscured by large Galactic and extragalactic foreground emissions (e.g., dust, synchrotron and free-free emission, cosmi {{Portal bar|Physics|Astronomy|Stars|Spaceflight|Outer space|Solar System|Science}} ...

'''BICEP''' ('''Background Imaging of Cosmic Extragalactic Polarization''') and the '''Keck Array''' are a series of [[cosmic microwav ...BICEP2 could instead be the result of light emitted from dust between the stars in our [[Milky Way]] galaxy.<ref> ...

Most FRBs are extragalactic, but the first [[Milky Way]] FRB was detected by the [[Canadian Hydrogen In ===Extragalactic origin=== ...