Messier 87 - Wikipedia
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo that contains several trillion stars.
M87（M87星系）_百度百科
m87，即室女座a星系（也称为梅西耶87、m87或ngc 4486），常称之为“m87星系”。 M87位在室女座，是巨大的椭圆星系，也是银河系附近几个质量最大星系其中之一，拥有几项受瞩目的特性：第一，其球状星团数量特别多，M87星系里共含12,000个球状星团。
室女A星系 - 维基百科，自由的百科全书
室女A星系，又稱 梅西耶 87，簡稱 M87，一名 NGC 4486，是 室女座 的巨型 橢圓星系，也是 銀河系 附近質量最大的星系之一。 此星系擁有幾項受矚目的特性，第一，其 球狀星團 數量特別多──M87星系裡共含12,000個球狀星團，參考之下，環繞銀河系的球狀星團數量為150-200個。 其二，該星系由核心發出一道向外延伸約1,500 秒差距 （4900光年）的高能電漿噴流，運動速度達 相對論速度，與光速已相當接近。 M87是天空中最明亮的電波源之一，也是專業及業餘天文學 …
Messier 87 - Science@NASA
The monstrous M87 is the dominant member of the neighboring Virgo cluster of galaxies, which contains some 2,000 galaxies. Discovered in 1781 by Charles Messier, this galaxy is located 54 million light-years away from Earth in the constellation Virgo.
The Giant Galaxy Around the Giant Black Hole - NASA
2019年4月25日 · The galaxy M87, imaged here by NASA’s Spitzer Space Telescope, is home to a supermassive black hole that spews two jets of material out into space at nearly the speed of light. The inset shows a close-up view of the shockwaves created by the two jets.
Black Hole Image Makes History - NASA Jet Propulsion Laboratory …
2019年4月10日 · The stunning new image shows the shadow of the supermassive black hole in the center of Messier 87 (M87), an elliptical galaxy some 55 million light-years from Earth. This black hole is 6.5 billion times the mass of the Sun. Catching its shadow involved eight ground-based radio telescopes around the globe, operating together as if they were one ...
First Image of a Black Hole - NASA Science
2019年4月10日 · The supermassive black hole imaged by the EHT is located in the center of the elliptical galaxy M87, located about 55 million light years from Earth. This image was captured by FORS2 on ESO's Very Large Telescope. The short linear feature near the center of the image is a jet produced by the black hole.
New Data, Same Great Appearance for M87* - California Institute …
2024年1月22日 · An astronomy team that includes Caltech researchers has generated a new image of M87*, the first black hole imaged by humans. The reproducibility of M87*'s likeness with new data helps to validate the original work.
NASA SVS | M87: Telescopes Unite in Unprecedented Observations …
2021年4月21日 · In April 2019, scientists released the first image of a black hole in the galaxy M87 using the Event Horizon Telescope (EHT). This supermassive black hole weighs 6.5 billion times the mass of the Sun and is located at the center of …
M87* One Year Later: Proof of a Persistent Black Hole Shadow
2024年1月18日 · In 2017, the EHT took the first image of a black hole. This object, M87*, is the beating heart of the giant elliptical galaxy Messier 87 and lives 55 million light years away from Earth. The image of the black hole revealed a bright circular ring, brighter in …