ARTi

The violent deaths of stars

Chapter 1

How stars end their lives

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Chapter 2

History written in the night sky

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Chapter 3

The cosmic recycling centers

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Chapter 4

The bizarre remnants left behind

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YOUR GOAL

Master of The violent deaths of stars

Ch 3 · The cosmic recycling centers
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teacher We came from a supernova blast! (Oh-oh, we're made of stars!)

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Forging gold in stellar collisions

teacher Forging gold in stellar collisions

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Fun Fact

Stardust bodies: Every single atom of iron in your blood was forged inside a dying star billions of years ago.

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The iron limit of stellar fusion

teacher The iron limit of stellar fusion

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Glossary
nebula (noun)
A diffuse cloud of interstellar gas and dust in outer space. Chinese astronomers in 1054 documented the stellar explosion that created the expanding Crab Nebula.

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Quiz

Why are elements heavier than iron relatively rare in the universe?

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Gossip

Which cosmic element is your favorite?

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Quiz

Where did the calcium in your bones and the iron in your blood originally come from?

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Quiz

Why does a massive star's core collapse when it starts producing iron?

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Quiz

Which elements were the only ones created during the Big Bang, before stars made the rest?

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Quiz

How do supernovae help trigger the birth of new stars?

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Quiz

What cosmic event is primarily responsible for creating heavy metals like gold and platinum?

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Quiz

What is the name of the process where atomic nuclei rapidly capture neutrons to create heavy elements?

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Quiz

What is the term for the explosion produced when two neutron stars merge?

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