Astrobiology20- Page

Comparison of elemental abundances from the literature and this work (filled circles) for the same stars. The y-axis shows the difference in abundance, literature – this work, plotted against the

Modeled transit spectra of GJ 1214b including haze and graphite scenarios. Planet mass 8.17 M⊕/, radius 2.742 R⊕/, and equilibrium temperature ∼596 K are adopted from R. Cloutier et al.

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. © Romain Jean-Jacques An international research

The ≈1000 au environment of RW Aur at different wavelengths, as observed by ALMA and JWST. Panel (a): compact dust continuum emission at 1.3 mm wavelength (see Kurtovic et al.

Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on

Extraterrestrial Materials Analysis Group (ExMAG) The Extraterrestrial Materials Analysis Group (ExMAG) meeting is scheduled for September 15–19, 2025, at the Lunar and Planetary Institute (LPI) in Houston, Texas. The Second ExMAG/MEPAG Joint

This artist’s concept depicts planet TRAPPIST-1 d passing in front of its turbulent star, with other members of the closely packed system shown in the background. Credit: NASA, ESA, CSA,

Archean Earth. Credit: NASA’s Goddard Space Flight Center/Francis Reddy The Eoarchean quartz-pyroxene rock from Akilia Island in Greenland has been proposed as one of Earth’s oldest banded iron formations (BIF)

The final F444W image produced via classical RDI optimized for extended source emission retrieval (FULL and Subarray combined), shown at a larger field of view to include the outer ring