Supernova
A supernova is a cataclysmic explosion caused when a star exhausts its fuel and ends its life. Supernovae are the most powerful forces in the universe. All of the heavy elements were created in supernova explosions.
- Partie du discours : proper noun
- Secteur d’activité/Domaine : Astronomie
- Catégorie : l'astronomie générale
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- david105722
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