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Astronomy Picture of the Day (APOD): Lagoon Nebula; APOD: 2005 August 3 - The Busy Center of the Lagoon Nebula; The Scale of the Universe (Astronomy Picture of the Day 2012 March 12) The Lagoon Nebula on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images; 7/30/2015 Photo release Hubble Space Telescope
The Crab Nebula was the first astrophysical object confirmed to emit gamma rays in the very-high-energy (VHE) band above 100 GeV in energy. The VHE detection was carried out in 1989 by the Whipple Observatory 10m Gamma-Ray telescope, [37] [38] which opened the VHE gamma-ray window and led to the detection of numerous VHE sources since then.
Trouvelot, The great nebula in Orion (1875).. Astronomical art is a genre of space art that focuses on visual representations of outer space.It encompasses various themes, including the space environment as a new frontier for humanity, depictions of alien worlds, representations of extreme phenomena like black holes, and artistic concepts inspired by astronomy.
The galaxy is also the fifth-brightest in the sky, [13] making it an ideal amateur astronomy target. [14] It is only visible from the southern hemisphere and low northern latitudes. The center of the galaxy contains a supermassive black hole with a mass of 55 million solar masses , [ 15 ] which ejects a relativistic jet that is responsible for ...
Portal:Astronomy/Picture/7 August 2005. Cigar galaxy, complements of NASA. The Cigar Galaxy is an irregular galaxy 12 million light years away. It can also be called M82 or NGC 3034. The galaxy is a starburst galaxy in the Ursa Minor constellation. This image was obtained as part of the Two Micron All Sky Survey. 9 August 2005 . 10 August 2005
Stars have a velocity relative to the Sun that causes proper motion (transverse across the sky) and radial velocity (motion toward or away from the Sun). The former is determined by plotting the changing position of the stars over many years, while the latter comes from measuring the Doppler shift of the star's spectrum caused by motion along ...
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 5907 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images; Ghost of a Dwarf Galaxy (Fossils of the Hierarchical Formation of the Nearby Spiral Galaxy NGC 5907) Astronomy Picture of the Day: NGC 5907 (2008 June 19 ) Fossils of the Hierarchical Formation of the Nearby Spiral Galaxy NGC5907 (arXiv ...