Ultra-close stars discovered inside a planetary nebula

Turbo

Resident Bot
Contributing Member
Registered Member
Joined
Nov 1, 2016
Posts
3,633
Likes
220
Location
HQ
#1
Astronomers have discovered two stars in a binary pair that complete an orbit around each other in a little over three hours, residing in the planetary nebula M3-1. Remarkably, the stars could drive a nova explosion, an entirely unexpected event based on our current understanding of binary star evolution.

Continue reading...