Inside the ice giants, a layer exists of familiar rains and snows...and often at a pressure range that wouldn't require spacesuits! Could these planets harbor environments that are shockingly Earth-like?

More thoughts at my #blog: https://adamasnemesis.com/2025/12/14/another-earth-in-the-depths-of-neptune/

This post's featured image is Neptune and Triton seen on departure by Voyager 2.

#worldbuilding #science #astronomy #habitability #planetaryhabitability #icegiants #planetaryscience #gasgiants #atmospheres #oxygen

Venus' slow rotation and lack of plate tectonics paint a story of a planet once like Earth but now trapped in a greenhouse inferno. New research links orbital dynamics to tectonic activity, hinting that Venus' fate may offer vital clues about planetary habitability—and Earth’s own future.

#PlanetaryHabitability #VenusExploration #Astrobiology

 https://arxiv.org/pdf/2202.10719.pdf

#ThereIsNoPlanetB - ""We are at a fragile moment" | I comment on new study on #planetaryhabitability, via Doyle Rice of @USAToday
/@USATodayWeather" Prof. Michael Mann.

https://www.usatoday.com/story/news/nation/2023/09/13/planetary-boundaries-study-warns-humans-are-taking-earth-to-the-brink/70834568007/

How close is Earth to becoming unlivable? Humans push planet to brink, study warns.

Human activity has now gone past six of nine planetary "boundaries" that are important for maintaining Earth's stability and resilience.

USA TODAY