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NGC 3949 is a member of the M109 Group, a group of galaxies located in the constellation Ursa Major that may contain over 50 galaxies. The brightest galaxy in the group is the spiral galaxy M109. [3] [4] [5] One supernova has been observed in NGC 3949: SN 2000db (type II, mag. 14.3) was discovered by Masakatsu Aoki on 6 August 2000. [6] [7]
The Pea galaxies, also known as Green Peas (GPs), are compact oxygen-rich emission line galaxies that were discovered at redshift between z = 0.112 and 0.360. [1] These low-mass galaxies have an upper size limit generally no bigger than 16,300 light-years (5,000 pc) across, and typically they reside in environments less than two-thirds the density of normal galaxy environments. [1]
The spiral galaxy NGC 4622 lies approximately 111 million light-years away from Earth in the constellation Centaurus. NGC 4622 is an example of a galaxy with leading spiral arms. [2] Each spiral arm winds away from the center of the galaxy and ends at an outermost tip that "points" in a certain direction (away from the arm).
Blue Nugget (also called BN) galaxies are a type of distant galaxy that only existed in the early universe. Blue nugget galaxies are small but high mass galaxies undergoing mass bursts of star formation, making many large, bright blue stars. As their stellar population evolves and ages, blue nugget galaxies transition into red nugget galaxies. [1]
The smaller galaxy NGC 5195 is tidally interacting with the larger Whirlpool Galaxy, creating its grand design spiral galaxy architecture. [citation needed] M81; M82; NGC 3077; These three galaxies interact with each other and draw out tidal tails, which are dense enough to form star clusters. The bridge of gas between these galaxies is known ...
NGC 4670 is a blue compact galaxy in the constellation Coma Berenices.The galaxy lies about 60 million light years away from Earth, which means, given its apparent dimensions, that NGC 4670 is approximately 25,000 light years across. [1]
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A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek galaxias, literally 'milky', a reference to the Milky Way galaxy that contains the Solar System.