HOW DO STARS EXPLODE?

Type Ia supernovae 1A Finding the right stars These occur when a white dwarf is found in a binary pair with another star. 2A Matter transfer Occasionally the two stars will orbit close enough that matter will transfer from the companion onto the white dwarf. 3A Squeezing down This accretion of matter adds extra mass. The additional gravitational forces compress the already highly pressurised core of the white dwarf. 4A Astar reborn The dying star comes to life again and undergoes fusion in its centre. 5A Limited gains White dwarfs can only get so massive through accretion, about 1.4 times the mass of our Sun. 6A Outward pressure The star can no longer expand. Expansive forces build, creating a violent supernova. Type II supernovae 1B Out of gas Supergiants eventually…

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All About Space Annual (Digital) - 1 Issue, All About Space Annual (2024)

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