Astrobiology13- Page

Exoplanets, -moons, -comets Status Report astro-ph.EP April 22, 2026 ExoNet architecture. Global and local CNN encoders each produce a 256-d embedding; the stellar MLP produces 128-d. All three are concatenated

Planet orbiting a red dwarf — Grok via Astrobiology.com Stellar rotation is closely linked to both age and magnetic activity. Through gyrochronology, it provides a means to estimate stellar ages

Eclipse spectra of various surface models from Paragas et al. (2025) as simulated by JESTER, compared to the observed eclipse spectra LTT 1445 A b (Wachiraphan et al. 2024) and

Overview. (a) Composition of a bacterial cell by weight, with a breakdown of the chemical constituents . About 40% of these compounds are not properly covered in existing datasets. (b)

Keith Cowing Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻 Follow on Twitter

Representative adsorption geometries for HCSCN (panels a–c) and HCSCCH (panels d–f) on the TIP4P (𝐻2𝑂)10 cluster at the 𝜔B97XD/def2-TZVP level of theory, illustrating the three structurally distinct binding topologies sampled

This is an annotated close-up of three holes NASA’s Curiosity drilled into Martian rock at a location nicknamed “Mary Anning” in October 2020. The sample where the rover found a

Schematic of ground-based transit photometry observations of TOI–1752 system. The orbital phase coverage of TOI–1752.01 is shown in the top panel (nights of Mar 04, 2020, Apr 26, 2021, Apr

Keith Cowing Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻 Follow on Twitter

Configuration of the experimental Mars simulation chamber. (a) Schematic representation of the experimental facilities used to expose samples deposited on aluminum coupons (inset) to SMC. (b) Mean spectrum of supplied