APOD: 2026 October 7 – Supernova Remnant Pa 30

发生了什么

APOD Science APOD APOD: 2026 October 7 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Supernova Remnant Pa 30 Explanation: “Happy New Year!” No, wait, this is not a fireworks…

摘要按规则整理自下方来源原文

来源