Why can astronomers see parts of the back of a neutron star?
Chapter 1

The birth of cosmic monsters

Chapter 2

Pulsars and the cosmic lighthouse

Chapter 3

Magnetars and magnetic monsters

Chapter 4

Cosmic collisions and gold mines

Chapter 5

Mapping the universe with pulsars

YOUR GOAL

Master of The world of neutron stars

Ch 1 · The birth of cosmic monsters
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artiteacher Gravity that bends light

Jul 11

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artiteacher The birth of cosmic monsters

Spinning in the dark—yeah! (Spinning fast!) / Squeezed so tight—oh-oh! (Squeezed so tight!)

Jul 10

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artiteacher The bizarre world of nuclear pasta

Jul 11

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Gravity that bends light

artiteacher The gravity of a neutron star is so intense that it alters the path of light and warps time.

Jul 10

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The extreme weight of nuclear matter

artiteacher Neutron stars pack more mass than our Sun into a sphere the size of a city, creating unimaginable density.

Jul 10

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The birth of cosmic monsters
BETA

artiteacher The birth of cosmic monsters

Jul 7

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Fun Fact

Neutron star density: A single sugar-cube-sized piece of a neutron star weighs about 1 billion tons, equal to the weight of all humanity.

Jul 10

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Glossary
neutron star (noun)
An extremely dense celestial object consisting primarily of closely packed neutrons, formed by the collapse of a massive star. In 1934, Walter Baade and Fritz Zwicky proposed that these objects form during supernova explosions.

Jul 10

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Gossip

Which nuclear pasta shape sounds the most appetizing?

Jul 10

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Quiz

Approximately how wide is a typical neutron star?

Jul 10

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artiteacher The extreme weight of nuclear matter

Jul 11

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Quiz

What subatomic particles merge to form neutrons during a core collapse?

Jul 10

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artiteacher How massive stars collapse

Jul 11

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Quiz

Why can astronomers see parts of the back of a neutron star?

Jul 10

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Quiz

Which shape of nuclear pasta is characterized by flat, sheet-like structures?

Jul 10

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Quiz

What is the strongest known material in the universe, found inside a neutron star?

Jul 10

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Quiz

What event triggers the birth of a neutron star?

Jul 10

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Quiz

What is the minimum mass a star must have to potentially form a neutron star?

Jul 10

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Quiz

A single teaspoon of neutron star material would weigh about how much on Earth?

Jul 10