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Stellar evolution


Stellar evolution is the process by which a star changes during its lifetime. Depending on the ... This process causes the star to gradually grow in size, passing through the subgiant stage until it...

How Does a Star Die? - Universe Today


Secondly, and more commonly, the core of the star can still be surrounded by some layers of hydrogen, which continue to fuse and cause the star to expand, ...

What causes a star to die - Answers.com


an average star spends 90 percent of its life as a hydrogen-burning, main- sequencestar. Once the hydrogen fuel in the star's core is depleted, it evolves rapidly ...

What happens when stars run out of fuel? | Discovery Kids


How do stars die? ... This is what happens when a normal-sized star dies. ... The star's gravity causes it to collapse, and then it explodes into a supernova. What's  ...

Stellar Death


The sudden stoppage of energy generation causes the core to collapse and the outer layers of the star to fall onto the core. The infalling layers collapse so fast ...

What happens to a star when it dies? | Reference.com


This causes them to be bright in the sky and burn hot. Eventually, stars run out of hydrogen and the star begins to die. When this happens, the helium begins ...

ESA - Space for Kids - Our Universe - Star death


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. This may be millions of ...

Stars - NASA Science


Apr 15, 2016 ... These variations cause the star to pulsate and throw off its outer layers, ... Main sequence stars over eight solar masses are destined to die in a ...

What causes the death of a star? - Quora


Stars with mass less than or equal to the mass of our Sun usually "die" a peaceful death. By peaceful I mean that when they have burned all of their hydrogen ...

What causes stars to explode when the die? - Quora


Apr 13, 2016 ... Basically stars fuse nuclear cores together, starting with hydrogen and ending at iron over several stages. With every stage the radiation ...

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The Death of a Star - How Stars Work | HowStuffWorks


... looking at? Learn what stars are and how they live and die! ... At some point after this, the core will become hot enough to cause the helium to fuse into carbon.

what causes a star to die | Space Zone


Nov 19, 2014 ... Its basically when the star runs out of fuel to keep it going. If we take a star like our sun then: The star burn hydrogen, by nuclear fusion to ...

Why Do Stars Burn and What Happens When They Die? - Physics


What happens when a star dies? ... How does a star die? .... to helium, and to some heavier elements, it takes more and more heat to cause the nuclear fusion.