# Scientists find closest star to the Milky Way's central black hole

# 科学家发现距银河系中心黑洞最近的恒星

作者: John Timmer | 分类: Science, astronomy, astrophysics, relativity | 原文: arstechnica.com

时间: Wed, 19 Aug 2026 15:56:56 +0000

Sgr A* is the name we've given to the supermassive black hole that sits at the center of the Milky Way. We've known about its presence since the 1970s but only managed to image it within the past few years. In the intervening time, most of our understanding of the object was obtained by watching a group of stars that orbit the black hole, helping us get a good estimate of its mass and size. In essence, those stars acted as instruments that let us peer into an environment we couldn't study any other way.

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