Hubble discovers unique nova explosion is firing cosmic 'bullets' through the Milky Way at 20 million mph
Astronomers using the Hubble Space Telescope have identified 'cosmic bullets' being ejected from the helium nova V445 Puppis at 20 million mph. The discovery provides new insights into rare binary star systems and the nature of stellar explosions.
Why it matters
Understanding these rare stellar phenomena helps scientists refine models of galactic evolution and the life cycles of stars.
Hubble Space Telescope Hubble telescope watches unique nova explosion fire cosmic 'bullets' through the Milky Way at 20 million mph News By Robert Lea Published 24 July 2026 "The origin of these 'bullets' is a mystery."
When you purchase through links on our site, we may earn an affiliate commission. Here's how it works .
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in