this post was submitted on 25 Jan 2025
133 points (86.3% liked)

Space

9133 readers
47 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 2 years ago
MODERATORS
Bitswap@lemmy.world
Agamemnon@lemmy.world
L7ePvmEn@lemmy.world
otter@lemmy.ca
otter@lemmy.world
133
Clear evidence of liquid water, not just frozen ice, discovered on Mars (www.earth.com)
submitted 1 week ago by cm0002@lemmy.world to c/space@lemmy.world
12 comments fedilink hide all child comments
 

The existence of water on Mars has long been a subject of curiosity and debate. A recently published study presents compelling evidence of ancient “wave ripples” in rocks that were shaped by Martian water and winds billions of years ago.

These ripples, imprinted on the Martian surface, speak to a time when shallow bodies of water were open to the Martian air.

you are viewing a single comment's thread
view the rest of the comments
[–] Lugh@futurology.today 2 points 1 week ago* (last edited 1 week ago)

Asteroid ejecta from Mars has reached Earth so many times, we can assume the opposite has happened too. So if Mars was warm and wet, it seems likely it was seeded with life from Earth. This suggests another question, did life on Earth arrive from elsewhere via this method?