星系



揭示银河系中心

2019-10-10

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas. But in this stunning ...


M81星系的红外影像

2019-09-04

Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binocu...


邻近宇宙中的局部空洞

2019-08-06

2019 August 6 The Local Void in the Nearby Universe Image Credit: R. Brent Tully (U. Hawaii) et al. Explanation: What does our region of the Univ...


第二个不含暗物质的星系被发现

2019-04-02

就在去年,天文学家们发现了一个几乎不含暗物质的星系,这个消息引起了全世界的兴趣,同时也引起了一些怀疑。去年领导该项目的天文学家Pieter van Dokkum说,...