Astrobiology48- Page

Hovmoller plots showing the time evolution of meridional wind velocity v as a function of pressure for the simulated hot planet (HP) and warm planet (WP) at the substellar point

Rain – Grok via Astrobiology.com Clouds form upon existing particles in the atmosphere and extreme weather events like flooding and snowstorms are related to production of large amounts of ice

Exoplanet TOI-421 b — NASA Though they don’t orbit around our Sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar system, that have been observed

Hot sub-Neptune exoplanet TOI-421 b (NIRISS/NIRSpec transmission spectrum) — ESA – larger image This is a transmission spectrum captured by the NASA/ESA/CSA James Webb Space Telescope that reveals the presence

Titan’s dense atmosphere shrouds the moon beneath a tan haze in this image. Dione, another one of Saturn’s many moons, can be seen through the Titan haze in this view

Stellar properties of HWO targets from Harada et al. (2024) and the astrometric and imaging signals contours. The orange, red, blue circle and black points represent stars with known planets,

(RGB)-color images of TOI 5389, TOI 5628, CTOI 29106627, and CTOI 333792947 with their white dwarf companions composed of y-, i- and g-band Pan-STARRS images. The image of CTOI

Illustration of comparative biosignatures and habsignatures in an extrasolar system. Potential comparative biosignatures (green text) and habsignatures (blue text) as deviations from the abiotic baseline are annotated, with larger fonts

NASA-DARES RFI Findings Workshop — Grok via Astrobiology.com May 29–30, 2025 | Fairmont Hotel, Washington, D.C. – Georgetown The NASA Astrobiology Program invites you to participate in a two-day hybrid

RED Astrobiology Introductory Virtual School – Grok via Astrobiology.com RED is a Training School about the “Basics in Astrobiology”. Astrobiology addresses questions related to the origins of life, its evolution,