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SN 1987A je supernova na okraji mlhoviny Tarantule ve Velkém Magellanově oblaku (blízké trpasličí galaxii). Nachází se přibližně 51,4 kiloparseků (168 000 světelných let) od Země, tedy tak blízko, že byla na jižní polokouli viditelná pouhým okem. Je to zatím (2016) poslední pouhým okem pozorovaná supernova od objevu SN 1604, která se ovšem nachází mnohem…
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sn 1987a supernova supernovy nachází pouhým okem to jako první výbuchu pozorování záření tomto kiloparseků země astronomy radioaktivních jader kobaltu
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| SN 1987A | related to Externí odkazy | Obrázky | 0.60 | section |
| SN 1987A | related to Externí odkazy | SN | 0.60 | section |
| SN 1987A | related to Externí odkazy | Wikimedia Commons | 0.60 | section |
| SN 1987A | related to Reference | SN | 0.60 | section |
| SN 1987A | related to Reference | Wikipedii | 0.60 | section |
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