行星状星云

M27: 哑铃星云

作者： NASA中文 / 2019年12月3日

2019 December 3 M27: The Dumbbell Nebula Image Credit & Copyright: Steve Mazlin Explanation: Is this what will become of our Sun? Quite possibly. The first hint of our Sun’s future was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of diffuse objects n […]

天文·每日一图

MyCn 18；沙漏星云

作者： Gotthew / 2019年9月29日

2019 September 29 MyCn 18: The Engraved Hourglass Planetary Nebula Image Credit: NASA, ESA, Hubble; Processing & License: Judy Schmidt Explanation: Do you see the hourglass shape — or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of an hourglass — al