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 4 · The bizarre remnants left behind
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teacher Deep inside the starlight dust, a tiny teaspoon of that star weighs a billion tons!

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When gravity wins completely

teacher When gravity wins completely

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Fun Fact

Extreme density: If the Earth were compressed to the density of a neutron star, it would fit inside a football stadium.

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Cosmic lighthouses in the dark

teacher Cosmic lighthouses in the dark

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Glossary
neutron star (noun)
A highly dense celestial object composed chiefly of closely packed neutrons, formed by the collapse of a massive star. In 1054, Chinese astronomers recorded the stellar explosion that created the dense core inside the Crab Nebula.

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Quiz

What is a pulsar?

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Gossip

Which cosmic remnant is more terrifying?

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Quiz

How much would a single teaspoon of neutron star material weigh on Earth?

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Quiz

Who discovered the first pulsar in 1967, which was initially nicknamed 'LGM-1' for 'Little Green Men'?

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Quiz

At what speed do pulsars spin?

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Quiz

What is the approximate diameter of a typical neutron star?

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Quiz

Why can nothing, not even light, escape from a black hole?

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Quiz

What determines whether a dying star becomes a neutron star or a black hole?

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Quiz

What is the name of the beautiful, expanding cloud of gas and dust left behind by a supernova?

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