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{{Short description|Star in the constellation of Triangulum}} | constell = [[Triangulum]] ...

...tmospheric and instrumental dispersion on the brightness distribution in a galaxy |url=https://ui.adsabs.harvard.edu/abs/1963BAAA....6...41S |journal=Boletin ...have high Sérsic indices and a high degree of central concentration. This galaxy, M87, has a Sérsic index n~ 4.<ref>{{Cite journal |last1=Savorgnan |first1= ...

...09>{{cite journal|bibcode=2009MNRAS.398..263M|title=Characteristics of the Galaxy according to Cepheids|journal=Monthly Notices of the Royal Astronomical Soc Around 800 classical Cepheids are known in the [[Milky Way]] galaxy, out of an expected total of over 6,000. Several thousand more are known i ...

...important information about the formation and evolutionary history of our Galaxy. Kinematic measurements can also identify exotic phenomena such as hypervel | title=The mass of the Galaxy ...

...ed to the modified gravity version. Its primary motivation is to explain [[galaxy rotation curve]]s without invoking [[dark matter]], and is one of the most ...}}</ref> However, the theory predicts that the gravitational field of the galaxy could influence the orbits of [[Kuiper Belt]] objects through the ''externa ...

...is Overbye |title=Magnetic Secrets of Mysterious Radio Bursts in a Faraway Galaxy |url=https://www.nytimes.com/2018/01/10/science/neutron-star-fast-radio-bur ...://www.newscientist.com/article/2242435-weird-radio-signals-spotted-in-our-galaxy-could-solve-a-space-mystery/}}</ref> In June 2021, astronomers reported ove ...

...ening intergalactic medium.|thumb|[[JADES-GS-z13-0]] is the most distant [[galaxy]]. ]] ...ître–Robertson–Walker metric|FLRW]] metric) from the time of emission by a galaxy to the time an observer (on Earth) receives the light signal. It differs fr ...

...le]]'' is Latin for "the southern triangle", which distinguishes it from [[Triangulum]] in the northern sky and is derived from the almost equilateral pattern of ...f the rotation of our [[Galaxy]], which ultimately led to the finding of [[Galaxy rotation curve|galactic rotation]] by [[Bertil Lindblad]] and [[Jan Oort]]. ...