三个星系与一颗彗星
2023年12月21日 Three Galaxies and a Comet Image Credit & Copyright: Dan Bartlett Explanation: Distant galaxies abound in this one degree wide field of view toward the southern constellation Grus (The Crane). But the three spiral galaxies at the lower right are quite striking. In fact, all three galaxies are grouped about 70 million light years away and som...