Multiple choice general knowledge science & technology

A supernova is a stellar explosion which produces an extremely bright object made of plasma that declines to invisibility over weeks or months.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A supernova is correctly defined as a powerful stellar explosion that creates an extremely bright object made of plasma. This brightness then fades over weeks or months as the ejected material expands and cools, eventually becoming invisible to optical telescopes.