The world of neutron stars

Chapter 1

The birth of cosmic monsters

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Chapter 2

Pulsars and the cosmic lighthouse

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Chapter 3

Magnetars and magnetic monsters

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Chapter 4

Cosmic collisions and gold mines

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Chapter 5

Mapping the universe with pulsars

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YOUR GOAL

Master of The world of neutron stars

Ch 2 · Pulsars and the cosmic lighthouse

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teacher Seven hundred times a second, J-Seventeen-Forty-Eight flashes in the deep.

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teacher Clocks of cosmic precision

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Fun Fact

Fast spins: The fastest known pulsar, PSR J1748-2446ad, spins on its axis 716 times every single second.

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teacher The discovery of little green men

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Glossary

pulsar (noun)
A rapidly spinning neutron star that emits regular pulses of radio waves and other electromagnetic radiation. Astrophysicist Jocelyn Bell Burnell discovered the first of these highly magnetized, rotating stellar corpses in 1967.

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Quiz

What type of celestial object is a pulsar?

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Gossip

Would you name a newly discovered star after yourself?

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Quiz

What process spins up a 'millisecond pulsar' to extreme speeds?

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Quiz

What did the discoverers of the first pulsar jokingly name their signal?

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Quiz

How do pulsars compare to human-made timekeeping devices?

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Quiz

Who discovered the first pulsar in 1967?

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Quiz

How fast does the fastest known pulsar spin every second?

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Quiz

What kind of electromagnetic radiation do we most commonly detect from pulsars?

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Quiz

In what year did Chinese and Arab astronomers record the supernova that created the Crab Nebula?

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