親子觀星會
討論區 => 天文新知 => 主題作者是: peter 於 2017-11-03 07:26:14
主題:
SN 2017hjy
作者:
peter
於
2017-11-03 07:26:14
SN 2017hjy
SN 2017hjy is a Type Ia supernova, brighter than its entire host galaxy
https://twitter.com/c2017k2
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