Star death is a puzzle.

[socratus]

Hubble’s best shots: The Helix Nebula
17 Apr 2020
The Hubble Space Telescope was launched on 24 April 1990.
To celebrate its 30th anniversary in space, Physics World
is publishing a series of blog posts exploring Hubble’s
10 best images, as chosen by the science journalist and editor Keith Cooper
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Star death is a puzzle.
We understand the broad strokes of what it entails –
the most massive stars explode in an incandescent supernova, . . .
https://physicsworld.com/a/hubbles-best-shots-the-helix-nebula/
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Star death is a puzzle.
1 - Sometimes – the most massive stars explode
in an incandescent ''supernova''
2 - Sometimes – the most massive stars collapse
into a cold ''black hole''
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