From the January 2009 issue

Ask Astro web extra: What is the difference between a nova and a supernova?

Associate Editor Daniel Pendick explains how novas and supernovas are different.
By | Published: January 26, 2009 | Last updated on May 18, 2023
Supernova 1987A
The remnant of supernova 1987A lies roughly 169,000 light-years away.
AURA / STScI / NASA
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