親子觀星會

討論區 => 天文新知 => 主題作者是: peter 於 2018-12-05 21:49:35



主題: 最大黑洞碰撞 變成比太陽大80倍新黑洞
作者: peter2018-12-05 21:49:35
這兩個黑洞的質量大約是太陽的51和34倍。在大約90億年前,它們發生猛烈的碰撞,隨後形成一個質量約為太陽80倍的新黑洞。

http://www.epochtimes.com/b5/18/12/4/n10890304.htm


主題: 回覆: 最大黑洞碰撞 變成比太陽大80倍新黑洞
作者: peter2018-12-05 22:48:32
https://www.ligo.caltech.edu/news/ligo20181203

http://www.aei.mpg.de/2313942/four-more-binary-black-hole-mergers-detected


The observed BBHs span a wide range of component masses, from 7.6 to 50.6 solar masses. The new event GW170729 is the most massive and distant gravitational-wave source ever observed. In this coalescence, which happened roughly 5 billion years ago, an equivalent energy of almost five solar masses was converted into gravitational radiation.