The remnant of supernova 1987A lies roughly 169,000 light-years away.
AURA / STScI / NASA
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.
![Albireo (Beta [β] Cygni) is a classic example of a double star with contrasting colors.](https://www.astronomy.com/uploads/2024/08/Albireo.jpg)
