Supernova remnant
The expanding shell can remain visible for thousands of years. This topic is part of Astronomy within Science & Nature. This page currently draws on 4 supporting questions, with answers and bonus facts available below.
Supernova remnant trivia questions
A supernova remnant is the expanding debris left after what?
Answer: A stellar explosion
Bonus fact: The expanding shell can remain visible for thousands of years.
Which famous nebula is the remnant of a supernova observed in AD 1054?
Answer: Crab Nebula
Bonus fact: Chinese and other observers recorded the brilliant "guest star" that produced the Crab Nebula.
Why do supernova remnants matter for future star and planet formation?
Answer: They enrich space with heavy elements and help stir interstellar gas
Bonus fact: Shock waves can compress surrounding clouds, while the ejecta distribute elements forged in stars and explosions.
The Veil Nebula lies in which constellation?
Answer: Cygnus
Bonus fact: Its glowing filaments form part of the larger Cygnus Loop supernova remnant.