SN 1987A - Wikipedia
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.
SN 1987A - 维基百科，自由的百科全书
sn 1987a是1987年2月24日在大麥哲倫雲內发现的一次超新星爆发，是自1604年开普勒超新星（sn 1604）以来观测到的最明亮的超新星爆發，肉眼可见，位於蜘蛛星雲的外圍，距離地球大約51,400秒差距（約168,000光年） [1] 。
1987A超新星 - 百度百科
SN1987A (SN是 超新星 英语Supernova的缩写，1987为发现年份，A代表这是当年发现的第一颗超新星) 是位于LMC中的 狼蛛星云 中的超新星。 1987年2月23日，加拿大 多伦多大学 的天文学家发现，在离 银河系 最近的 星系 ——“ 大麦哲伦云 ”中有一颗正在爆发的超新星。 超新星很少会出现，特别是在离地球较近的太空中更是罕见。 平均在一颗星系中，每300年才可能出现一颗超新星。 这次爆炸的超新星是时隔400年后首次在距离地球最近的地方发生的爆炸。 于是这颗编号 …
The Dawn of a New Era for Supernova 1987a - NASA Science
2017年2月24日 · The titanic supernova, called Supernova 1987A (SN 1987A), blazed with the power of 100 million suns for several months following its discovery on Feb. 23, 1987. Since that first sighting, SN 1987A has continued to fascinate astronomers with its spectacular light show.
Webb Reveals New Structures Within Iconic Supernova - NASA
2023年8月31日 · NASA’s James Webb Space Telescope has begun the study of one of the most renowned supernovae, SN 1987A (Supernova 1987A). Located 168,000 light-years away in the Large Magellanic Cloud, SN 1987A has been a target of intense observations at wavelengths ranging from gamma rays to radio for nearly 40 years, since its discovery in February of 1987.
逝去的光芒：回顾SN 1987A – 星明天文台 - china-vo.org
2020年1月11日 · 在SN 1987A爆发前3小时，位于日本、美国、俄罗斯的3个中微子探测器一共探测到24个中微子，这是历史上首次直接探测到由超新星产生的中微子，标志着中微子天文学的开端，日本天文学家小柴昌俊、美国天文学家雷蒙德·戴维斯（Raymond Davis）因此获得2002年诺贝 …
Webb Finds Evidence for Neutron Star at Heart of Young …
2024年2月22日 · NASA’s James Webb Space Telescope has found the best evidence yet for emission from a neutron star at the site of a recently observed supernova. The supernova, known as SN 1987A, was a core-collapse supernova, meaning the compacted remains at its core formed either a neutron star or a black hole.
Supernova 1987A - NASA
2017年2月24日 · Supernova 1987A: A supernova in the Large Magellanic Cloud about 160,000 light years from Earth. Thirty years have passed since Supernova 1987A was first seen. Since then, telescopes around the world and in space have observed this …
Supernova 1987A - aavso
As the first supernova spotted in 1987, this one was officially designated 1987A. The close proximity and early detection of SN 1987A make it by far the best-studied supernova of all time. What is a supernova? SN 1987A in the LMC Click image to enlarge. A supernova is the explosive end of a star's life.
Supernova 1987A Sonification - Science@NASA
2020年12月1日 · On February 24, 1987, observers in the southern hemisphere saw a new object in the Large Magellanic Cloud, a small satellite galaxy to the Milky Way. This was one of the brightest supernova explosions in centuries and soon …