After the star's outer layer has escaped, the much smaller inner layer collapses into a white dwarf . This star, which is hotter and brighter than the red giant it came from, illuminates and warms the escaped gas, until the gas starts glowing by itself – and we see a planetary nebula. 2 Sept 2022
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Once the core has turned to iron, it can burn no longer. The star collapses by its own gravity and the iron core heats up. The core becomes so tightly packed ...
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Stars die because they exhaust their nuclear fuel. The events at the end of a star's life depend on its mass. Really massive stars use up their hydrogen ...
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All stars eventually run out of their hydrogen gas fuel and die. The way a star dies depends on how much matter it contains—its mass.
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Eventually the cycle of star birth and death will come to an end. Gravity will have won, a victory delayed by the ability of stars to call on the resources of ...
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Once a star burns all of the hydrogen, though, the star starts to die. The star, in a desperate but futile attempt to stay alive, now fuses the helium into ...
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Once a star burns all of the hydrogen, though, the star starts to die. The star, in a desperate but futile attempt to stay alive, now fuses the helium into ...
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17 Jan 2021 · In its final death throes, a medium-size star spews out its guts to form an effervescent planetary nebula ...
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7 Oct 2010 · Most stars take millions of years to die. When a star like the Sun has burned all of its hydrogen fuel, it expands to become a red giant.
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All dwarf stars do eventually change, but it takes them billions of years to do so. When a dwarf star's core finally uses up the hydrogen fuel it needs to shine ...
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29 Mar 2021 · When stars die, they go out with a bang. The elements created inside the supergiant (such as oxygen, carbon, and iron) are spread all over space ...
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Duration: 2:09 Posted: 13 Mar 2017 VIDEO
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Duration: 4:37 Posted: 6 Feb 2022 VIDEO
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2 Aug 2017 · Stars with mass similar to the Sun will end up as white dwarfs — cores of carbon and oxygen with hydrogen- or helium-dominated atmospheres — ...
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Main sequence stars over eight solar masses are destined to die in a titanic explosion called a supernova. A supernova is not merely a bigger nova. In a nova, ...
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