How stars are born and die
Chapter 1
The stellar nurseries
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Chapter 2
The long adult life of stars
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Chapter 3
The dramatic deaths of small stars
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Chapter 4
Supernovas and cosmic leftovers
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YOUR GOAL
Master of How stars are born and die
Ch 4 · Supernovas and cosmic leftovers
Fun Fact
We are stardust: Nearly every heavy atom in your body, like the iron in your blood, was made inside a dying star.
Glossary
supernova (noun)
A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass. In 1604, Johannes Kepler observed the last supernova visible to the naked eye in our galaxy.
A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass. In 1604, Johannes Kepler observed the last supernova visible to the naked eye in our galaxy.
Quiz
Which heavy elements are forged and scattered into space primarily during a supernova explosion?
Quiz
What celestial object is formed when a dying star's core is so massive that gravity collapses it completely?
Quiz
What is a rapidly spinning neutron star that emits beams of radiation like a lighthouse called?
Quiz
What is the boundary around a black hole from which nothing, not even light, can escape?