Supernova Shows Very Bubbly Shape

Supernova Shows Very Bubbly Shape

New studies reveal that Supernova Cassiopeia A shows signs of bubbles which might have been created by radioactive metal. Cassiopeia A violently exploded 340 years ago, blowing the inner layers of the star outward into a shockwave-like formation. New observations suggest that radioactive nickel may have caused its unique shapes. Astronomers believe that observing and […]

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