this post was submitted on 12 Jun 2024
138 points (99.3% liked)

Space

8341 readers
1 users here now

Share & discuss informative content on: Astrophysics, Cosmology, Space Exploration, Planetary Science and Astrobiology.

Rules

  1. Be respectful and inclusive.
  2. No harassment, hate speech, or trolling.
  3. Engage in constructive discussions.
  4. Share relevant content.
  5. Follow guidelines and moderators' instructions.
  6. Use appropriate language and tone.
  7. Report violations.
  8. Foster a continuous learning environment.

Picture of the Day

The Busy Center of the Lagoon Nebula

Related Communities

🔭 Science

🚀 Engineering

🌌 Art and Photography

Other Cool Links

founded 1 year ago
MODERATORS
[email protected]
[email protected]
[email protected]
[email protected]
[email protected]
138
‘Once-in-a-lifetime’ explosion will bring a new star to the night sky (edition.cnn.com)
submitted 5 months ago by [email protected] to c/[email protected]
15 comments fedilink hide all child comments
you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 5 points 5 months ago (1 children)

a very, very long time ago

Some precision here would be appreciated

[–] [email protected] 2 points 5 months ago

This binary system, T. Coronae Borealis, is 2500 light years away. That means the event we're about to witness actually occurred 2500 years ago, and the light that it emitted is just about to reach our solar system.