哈勃太空望远镜观测到一个发光的星系
For this image, the NASA/ESA Hubble Space Telescope turned its powerful eye toward an emission-line galaxy called NGC 3749. W…
For this image, the NASA/ESA Hubble Space Telescope turned its powerful eye toward an emission-line galaxy called NGC 3749. W…
The universe is simply so vast that it can be difficult to maintain a sense of scale. Many galaxies we see through telescopes…
The galaxy pictured in this Hubble image has an especially evocative name: the Medusa merger. Often referred to by its somewh…
Many of the best-loved galaxies in the cosmos are remarkably large, close, massive, bright, or beautiful, often with an unusu…
Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily v…
The pair of strange, luminescent creatures at play in this image are actually galaxies — realms of millions upon millions of …
2019 August 6 The Local Void in the Nearby Universe Image Credit: R. Brent Tully (U. Hawaii) et al. Explanation: What does ou…
Every now and then, the NASA/ESA Hubble Space Telescope glimpses a common object — say, a spiral galaxy — in an interesting o…
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,“如果只发现一个目标,我的内心都不禁会怀疑,万一我们错了呢?但是我们的团队做了所有能想…