标签： 哈伯太空望远镜

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N63A：超新星遗迹的可见光和X射线影像

2019 December 11 N63A: Supernova Remnant in Visible and X-ray Image Credit: NASA, ESA, Hubble, Chandra; Processing & License: Judy Schmidt Explanation: What has this supernova left behind? As little as 2,000 years ago, light from a massive stellar explosion in the Large Magellanic Cloud (LMC) first reached planet Earth. The LMC is a close galactic neighb...

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MyCn 18；沙漏星云

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 — although one with an unusual eye in its center. Either way, th...