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Spiral galaxy NGC 7331 is a foreground galaxy in the same field as the collection, which is also called the Deer Lick Group. [1] It contains four other members, affectionately referred to as the "fleas": the lenticular or unbarred spirals NGC 7335 and NGC 7336, the barred spiral galaxy NGC 7337 and the elliptical galaxy NGC 7340.
Encyclopedia Galactica is the name of a number of fictional or hypothetical encyclopedias containing all the knowledge accumulated by a galaxy-spanning civilization, most notably in Isaac Asimov's Foundation series. The concept of a "future encyclopedia" has become "something iconic among many lovers of the science fiction", and has been reused ...
SMACS J0723.3–7327, commonly referred to as SMACS 0723, is a galaxy cluster about 4 billion light years from Earth, [2] within the southern constellation of Volans (RA/Dec = 110.8375, −73.4391667).
UGC 2885 is a spiral galaxy with a relatively low surface brightness. The central bulge is the most prominent feature of this galaxy, where a faint bar crosses its center. UGC 2885 is classified as a field galaxy—a class of galaxies found in remote, under-dense and "vacant" sections of space, far from other major galaxies.
A satellite galaxy appears to have orbited NGC 2775 multiple times, losing mass as it does so and creating faint, shell-like structures. [12] Nearby irregular galaxy NGC 2777 displays a tidal tail of hydrogen gas that points back to NGC 2775, suggesting the two may be linked. [14] One supernova has been observed in NGC 2775.
Coma Pinwheel Galaxy, Virgo Cluster Pinwheel, M99, NGC 4254, PGC 39578, UGC 7345 [9] Messier 99 or M99 , also known as NGC 4254 or St. Catherine's Wheel , is a grand design spiral galaxy in the northern constellation Coma Berenices approximately 15,000,000 parsecs (49,000,000 light-years ) from the Milky Way . [ 5 ]
The galaxy is named after Erik Holmberg who first described it though it was first found by Sidney van den Bergh. [3] Based on the observed age distribution of stars it contains, a whole 20% of its stellar mass formed within the last 200 Myr , making it the youngest nearby galaxy . [ 4 ]
NGC 6744 (also known as Caldwell 101 or the Pavo Galaxy [3]) is an intermediate spiral galaxy in the constellation Pavo (Peacock). Its velocity with respect to the cosmic microwave background is 802 ± 3 km/s, which corresponds to a Hubble distance of 38.6 ± 2.7 Mly (11.82 ± 0.83 Mpc ). [ 1 ]