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2023 Pinwheel galaxy: M101 Group: L/T eff: SN 2020jfo: 700 ± 10: 2020 Messier 61: Virgo Cluster: L/T eff: SN 2023axu: 417 ± 28: 2023 NGC 2283: L/T eff: SN 2021agco: 78.37 +25.59 −19.94: 2021 UGC 3855: LDC 506 L/T eff: Nearest ultrastripped supernova known.
Map of stars cataloged by the Gaia release in 2021, displayed as density mesh in the diagram. The ESA spacecraft Gaia provides distance estimates by determining the parallax of a billion stars and is mapping the Milky Way with four planned releases of maps in 2016, 2018, 2021 and 2024.
In June 2023 an additional 20 names where approved in the NameExoWorlds 2022 campaign bringing the current total to 471 named stars. List. In the table below, unless indicated by a "†", the "modern proper name" is the name approved by the WGSN and entered in the List of IAU-approved Star Names or otherwise approved by the IAU.
Size (left) and distance (right) of a few well-known galaxies put to scale. The following is a list of notable galaxies.. There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe.
The Orion Arm, also known as the Orion–Cygnus Arm, is a minor spiral arm within the Milky Way Galaxy spanning 3,500 light-years (1,100 parsecs) in width and extending roughly 10,000 light-years (3,100 parsecs) in length. [2] This galactic structure encompasses the Solar System, including Earth.
Galactic Center. 17 45 40.04, −29° 00′ 28.1″. The Galactic Center, as seen by one of the 2MASS infrared telescopes, is located in the bright upper left portion of the image. Marked location of the Galactic Center. The Galactic Center is the barycenter of the Milky Way and a corresponding point on the rotational axis of the galaxy.
Galactic year. Approximate orbit of the Sun (yellow circle) around the Galactic Center. The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. [1] One galactic year is approximately 225 million Earth years. [2]
Based on mass and increasingly precise radius limits, astronomers have concluded that Sagittarius A* must be the central supermassive black hole of the Milky Way galaxy. The current value of its mass is 4.297 ± 0.012 million solar masses .
Milky Way is a brand of chocolate-covered confectionery bar manufactured and marketed by Mars, Incorporated. There are two varieties: the US Milky Way bar, which is sold as the Mars bar worldwide, including Canada; and the global Milky Way bar, which is sold as the 3 Musketeers in the US and Canada (neither bar is sold as Milky Way in Canada).
Release history. "Under the Milky Way" was released on 15 February 1988 in both 7" vinyl and 12" vinyl formats by Arista Records (internationally) and Mushroom Records (Australian region). [1] [16] The Church's fifth studio album, Starfish, was issued simultaneously with the single. In April the single was released in several formats worldwide ...
