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A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded by a rotating disc of younger Population I stars. A spiral galaxy maintains its spiral arms due to density wave theory .
The bridge of gas between these galaxies is known as Arp's Loop. [148] NGC 6872 and IC 4970. NGC 6872; IC 4970; NGC 6872 is a barred spiral galaxy with a grand design spiral nucleus, and distinct well-formed outer barred-spiral architecture, caused by tidal interaction with satellite galaxy IC 4970. [citation needed] Tadpole Galaxy
Supergiant elliptical galaxies are some of the largest galaxies known. The Condor Galaxy is a colossal spiral galaxy disturbed by the smaller IC 4970 . It is the largest known spiral galaxy with the isophotal diameter of over 717,000 light-years (220 kiloparsecs ).
The spiral arms are practically incandescent with orange and red gas in Webb’s imagery. The images will be used to help astronomers determine the distribution of gas and dust in spiral galaxies ...
An example of a spiral galaxy, Messier 77 (also known as NGC 1068) Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae [1] and, as such, form part of the Hubble sequence.
The findings can provide clues on how spiral galaxies like the Milky Way have formed, a leading researcher told Insider. New photo shows the oldest-ever spiral galaxy, which was formed at least 1 ...
An example of a spiral galaxy (Pinwheel Galaxy). This category contains galaxies in the S (de Vaucouleurs for indeterminate) category or any galaxy where it is indeterminate whether the galaxy is SA, SB or SAB in its spiral nature. SA, S (Hubble) galaxies should be categorized under Category:Unbarred spiral galaxies
Not only was BX442 revealed to be a genuine spiral galaxy, but part of a sub-class known as 'grand-design' spirals. Most spiral galaxies have subtler features and the arms of the spiral are not necessarily well-defined. A grand design spiral galaxy has very clearly well-formed and distinct arms that significantly stretch out around the galaxy ...