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The explosion of a star at the end of its life. Not all stars explode, only those about ten to twenty times more massive than our Sun. A supernova creates the elements that are heavier than iron (such as gold, silver and most of the other metals).
출처: outreach.atnf.csiro.au/education/senior/astrophysi...
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Scope note: Explanation of the term. The scope note of each term should not be taken as a definition of the term. It is for the guidance of indexers only.
출처: dspace.dial.pipex.com/hom-inform/Thespub5.htm
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Serial Number. This is the unique identifier of a given ship.
출처: starempires.com/se4/glossary.html
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Sandeen, Ernest R. St. Paul's Historic Summit Avenue. St. Paul, Macalester College, Living Historical Museum, ?978.
출처: www.lareau.org/pep.html
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Authenticated with the artist
출처: www.carriefell.com/definitions.html
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