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15 cards from this deck
Cloud of dust and hydrogen gas
Nuclear fusion
10 million degrees Celsius
Star with up to 4 times the Sun's mass
4.6 billion years ago
Hydrogen turns into helium
Gravity inwards vs fusion energy outwards
Star expands, outer layers cool and turn red
Very small and dense
Much shorter lives
Much bigger than red giants
Massive explosion when high-mass star collapses
Remaining core less than 4 times Sun's mass
Remaining core more massive (after supernova)
Created in stars, spread by supernovae
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