Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binoculars or a small telescope. M81 is located at a distance of 12 million light-years. M81 was one of the first publicly released datasets soon after the laun […]
The pair of strange, luminescent creatures at play in this image are actually galaxies — realms of millions upon millions of stars. This galactic duo is known as UGC 2369. The galaxies are interacting, meaning that their mutual gravitational attraction is pulling them closer and closer together and
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 Universe look like? Since galaxies are so spread out over the sky, and since our Milky Way Galaxy blocks part of the distant sky, it has been hard to tell. A n
Every now and then, the NASA/ESA Hubble Space Telescope glimpses a common object — say, a spiral galaxy — in an interesting or unusual way. A sharply angled perspective, such as the one shown in this Hubble image, can make it seem as if we, the viewers, are craning our necks to see over a barrier in
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到的暗物质检测。” NGC1052-DF2是一个超稀疏星系，甚至能够看到楚该星系后面的星体及星系。该星系被认为暗物质是可以忽略不计的，本图是由哈伯太空望远镜所摄。 [rml_read_more] 实际上就在前集团，研究团队发表声明，他们去年的发表是正确的，他们证实了这个位于六千万光年以外的星系NGC 1052-DF2几乎没有可辨别的暗物质。此外，他
