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The location of Arp 273 (circled in blue) Arp 273 is a pair of interacting galaxies, 300 million light years away in the constellation Andromeda.It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966. [5]
Active. Astronomy Picture of the Day (APOD) is a website provided by NASA and Michigan Technological University (MTU). It reads: "Each day a different image or photograph of our universe is featured, along with a brief explanation written by a professional astronomer." [1] The photograph does not necessarily correspond to a celestial event on ...
NGC 602 is a young, bright open cluster of stars located in the Small Magellanic Cloud (SMC), a satellite galaxy to the Milky Way. It was discovered on 1 August 1826 by Scottish astronomer James Dunlop. [6] It is embedded in a nebula known as N90. Radiation and shock waves from the stars of NGC 602 have pushed away much of the lighter ...
NGC 891 (also known as Caldwell 23, the Silver Sliver Galaxy, and the Outer Limits Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. [3] The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster.
NGC 7331 Group. NGC 7331 Group is a visual grouping of galaxies in the constellation Pegasus. 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 2359 (also known as Thor's Helmet) is an emission nebula [3] in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand light years) away and 30 light-years in size. The central star is the Wolf-Rayet star WR7, an extremely hot star thought to be in a brief pre- supernova stage of evolution.
Messier 94. Messier 94 (also known as NGC 4736, Cat's Eye Galaxy, Crocodile Eye Galaxy, or Croc's Eye Galaxy[7][8]) is a spiral galaxy in the mid- northern constellation Canes Venatici. It was discovered by Pierre Méchain in 1781, [9] and catalogued by Charles Messier two days later. Although some references describe M94 as a barred spiral ...
Messier 74 (also known as NGC 628 and Phantom Galaxy) is a large spiral galaxy in the equatorial constellation Pisces. [ a ] It is about 32 million light-years away from Earth. [ 6 ] The galaxy contains two clearly defined spiral arms and is therefore used as an archetypal example of a grand design spiral galaxy . [ 7 ]