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...odel that [[accretion disks]] are supported by [[magnetic field]]s, that [[extragalactic cosmic ray]]s are accelerated in them, and he estimates to within an order [[Category:Extragalactic astronomy]] ...

...is an [[Astrophysicists|astrophysicist]] who is Professor of Extragalactic Astronomy at the [[University of Manchester]]. ...[[University of Nottingham]] in 2005. He became Professor of Extragalactic Astronomy at the University of Manchester in 2020.{{citation needed|date= September 2 ...

...as an important formula in [[observational cosmology]] and [[extragalactic astronomy]] which gives relation between radial coordinate and [[redshift]] of a give ...

...nt objects, which makes it an attractive area of the sky for observational astronomy surveys. It is located near the pointer stars of the [[Big Dipper]] in the ...586 |hdl-access=free }}</ref> Column density is a commonly used measure in astronomy for the quantity of a given [[chemical element]] or [[molecule]] in a certa ...

...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 ...II. Determination of nearby groups | last1=Garcia | first1=A. M. | journal=Astronomy and Astrophysics Supplement Series | date=1993 | volume=100 | page=47}}</re ...

...II. CN, HCN, HNC, CH₃CN & N₂H⁺ |journal=[[Astronomy & Astrophysics]] |volume=370 |issue=2 |pages=576–585 |bibcode=2001A&A...370 ...>2</sub>, CN, and NaI D absorption in the AGB remnant of HD 56126 |journal=Astronomy and Astrophysics |volume=310 |pages=893–907 |arxiv=astro-ph/9510122 |bibcod ...

...l|last=White|first=M|date=3 February 2001|title=The mass of a halo|journal=Astronomy and Astrophysics|volume=367|issue=1|pages=27–32|arxiv=astro-ph/0011495|bibc [[Category:Stellar astronomy]] ...

...parcos photometry of 24 variable massive stars (α Cygni variables)|journal=Astronomy and Astrophysics Supplement Series|volume=128|pages=117–129|year=1998|last1 ...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_ ...

...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 ...ery-ii/galaxies-clusters/arp-274/|access-date=15 January 2017|title=Anne's Astronomy News: Arp 274, a triplet of galaxies in Virgo|date=14 February 2013 }}</ref ...

...articles.adsabs.harvard.edu/pdf/1994A%26A...282..663S |format=PDF |journal=Astronomy and Astrophysics |volume=282 |issue=2 |page=675 |bibcode=1994A&A...282..663 ...tle=How Bright is the Moon . . . Exactly? |url=https://skyandtelescope.org/astronomy-news/how-bright-moon-exactly/ |access-date=2022-08-29 |website=Sky & Telesc ...

...cceleration by rotating magnetospheres in active galactic nuclei|journal = Astronomy and Astrophysics|volume = 353|pages = 473|last1 = Rieger|first1 = F. M.|las ...iciency of particle acceleration by rotating magnetospheres in AGN|journal=Astronomy & Astrophysics|volume=470|issue=2|pages=395–400|year=2007|last1=Osmanov|fir ...

...r at the [[University of Texas at Austin]]. She is known for her work in [[extragalactic astrophysics]]; she works on the formation and evolution of massive galaxie Casey's interest in astronomy began as a child when she was given the opportunity to visit the planetariu ...

...| arxiv = astro-ph/0507571 | doi = 10.1051/0004-6361:20053528 | journal = Astronomy and Astrophysics | volume = 442| issue = 2 | pages = 597–613 | year = 2005 [[Category:Extragalactic stars]] ...

...s estimates of the age.<ref name=Evidence>[http://www.talkorigins.org/faqs/astronomy/bigbang.html#oldstars Evidence for the Big Bang] by Björn Feuerbacher and R ...<ref>{{cite journal|last=Sandage|first=Allan|title=Current Problems in the Extragalactic Distance Scale|journal=Astrophysical Journal|date=1958|volume=127|page=513| ...

...5|url=https://ui.adsabs.harvard.edu/abs/1977SvAL....3..155V|journal=Soviet Astronomy Letters|volume=3|pages=155|bibcode=1977SvAL....3..155V}}</ref> calculate th ...ge redshifts: I-visibility correlation|journal=Journal of Astrophysics and Astronomy|date=December 2001|volume=22|issue=4|pages=293–307|doi=10.1007/BF02702273|a ...

...999 |title=Analytical properties of the R^(1/m) luminosity law | journal = Astronomy and Astrophysics | volume = 352 | pages = 447–451 |arxiv=astro-ph/9911078 | ...g |first1=C. K. |last2=Currie |first2=M. J. |date=1994-05-01 |title= A New Extragalactic Distance Indicator Based on the Surface Brightness Profiles of Dwarf Ellipt ...

| epoch = [[Epoch (astronomy)#Julian years and J2000|J2000]] ...Italian astronomer [[Paolo Maffei]] was one of the pioneers of [[infrared astronomy]]. In the 1950s and 60s, in order to obtain high quality images of celestia ...

In astronomy, a '''fast blue optical transient''' ('''FBOT'''), or more specifically, '' ...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 ...

...round experiments|experiments]]. They aim to measure the [[Polarization in astronomy|polarization]] of the CMB; in particular, measuring the [[B-modes|''B''-mod ...B''-modes ([[Curl (mathematics)|curl]] component) of the [[Polarization in astronomy|polarization]] of the CMB.<ref name="CaltechPressRelease" /> BICEP operates ...

...tor, the Milky Way relations, and a universal ''K''-band relation |journal=Astronomy & Astrophysics |date=October 2011 |volume=534 |pages=A94 |doi=10.1051/0004- In astronomy, a '''period-luminosity relation''' is a relationship linking the [[bolomet ...