Bad News And Good News: Hycean Worlds Aren't Real, But Earth's Water Isn't Unusual

September 18, 2025 Universe Today

Bad News And Good News: Hycean Worlds Aren't Real, But Earth's Water Isn't Unusual
By Evan Gough (https://ift.tt/i7y4sOv)

K2-18b is a sub-Neptune that the JWST observed in 2023. In 2025, research based on those observations suggested that the exoplanet could be a water world, also known as a hycean world. New research pours water on that idea. Image Credit: ESA/Hubble, M. Kornmesser, CC BY 4.0

New research shows that the purported water world K2-18b isn't a marine world with a deep ocean. In fact, so-named Hycean worlds may not exist at all. But on the bright side, Earth's water content may not be unusual.

September 19, 2025 at 01:44AM
via read more...

No comments

Subscribe to: Post Comments ( Atom )