|
主題: ESO 495-21 作者: peter 於 2019-06-16 10:44:54 http://www.sci-news.com/astronomy/eso-495-21-supermassive-black-hole-07289.html
(http://cdn.sci-news.com/images/2019/06/image_7289-ESO-495-21.jpg) A starburst galaxy called ESO 495-21 is just 3,000 light-years across, but it harbors a black hole of about one million solar masses at its core. This is unusual for a galaxy of its size, and may provide hints as to how galaxies form and evolve |