The Helix Nebula is 700 light-years away from Earth, but screened before audience's eyes in reconstr
加载原图 5.8 MB
0 0 分享
mashiro mashiro
817 次浏览

The Helix Nebula is 700 light-years away from Earth, but screened before audience's eyes in reconstr

已上传 6 年 前

注意: 此内容是私密的，但任何人通过链接将能够看到它。