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SN 1987A was a type II supernova in the Large Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It occurred approximately 51.4 kiloparsecs (168,000 light-years ) from Earth and was the closest observed supernova since Kepler's Supernova in 1604.
It was the progenitor of supernova 1987A. The star was originally charted by the Romanian-American astronomer Nicholas Sanduleak in 1970, but was not well studied until identified as the star that exploded in the first naked eye supernova since the invention of the telescope, [1] when its maximum reached visual magnitude +2.8. [3]
The closest supernova observed since the invention of the telescope, [17] Supernova 1987A, occurred in the outskirts of the Tarantula Nebula. [18] There is a prominent supernova remnant enclosing the open cluster NGC 2060. Still, the remnants of many other supernovae are difficult to detect in the complex nebulosity. [19]
Ian Keith Shelton (born 30 March 1957) is a Canadian astronomer who discovered SN 1987A, the first modern supernova close and bright enough to be visible to the naked eye. Born in Winnipeg , Manitoba , Canada, Shelton received his B.Sc. in 1979 from the University of Manitoba and in 1981 began his professional career working as Resident ...
The JWST is scheduled to observe SN 1987A for 7 1/2 hours on 2022-07-16 UTC. I don't have recent editing experience; would one of you care to add this to the article?
Like all municipalities of Puerto Rico, Dorado is subdivided into administrative units called barrios, which are, in contemporary times, roughly comparable to minor civil divisions, [1] (and means wards or boroughs or neighborhoods in English).
Dorado (US: / d ə ˈ r eɪ d oʊ /, also UK: /-ˈ r ɑː d oʊ /) is a constellation in the Southern Sky. It was named in the late 16th century and is now one of the 88 modern constellations . Its name refers to the mahi-mahi ( Coryphaena hippurus ), which is known as dorado ("golden") in Spanish , although it has also been depicted as a ...
Dorado barrio-pueblo is a barrio and the administrative center of Dorado, a municipality in Puerto Rico. Its population in 2010 was 780.