Chapter 1
How stars end their lives
Chapter 2
History written in the night sky
Chapter 3
The cosmic recycling centers
Chapter 4
The bizarre remnants left behind
YOUR GOAL
Master of The violent deaths of stars
Ch 4 · The bizarre remnants left behind
artiteacher The bizarre remnants left behind
Deep inside the starlight dust, a tiny teaspoon of that star weighs a billion tons!
artiteacher If a collapsing star is massive enough, its gravity overcomes all forces to create a black hole.
artiteacher Rapidly spinning neutron stars called pulsars emit beams of radiation that sweep across space.
Fun Fact
Extreme density: If the Earth were compressed to the density of a neutron star, it would fit inside a football stadium.
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.
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.
Quiz
Who discovered the first pulsar in 1967, which was initially nicknamed 'LGM-1' for 'Little Green Men'?
Quiz
What is the name of the beautiful, expanding cloud of gas and dust left behind by a supernova?