3 papers
astro-ph.EP2025
The Open-Source Photochem Code: A General Chemical and Climate Model for Interpreting (Exo)Planet Observations
Nicholas F. Wogan, Natasha E. Batalha, Kevin Zahnle +7
With the launch of the James Webb Space Telescope, we are firmly in the era of exoplanet atmosphere characterization. Understanding exoplanet spectra requires atmospheric chemical…
astro-ph.EP2025
Detecting Land with Reflected Light Spectroscopy to Rule Out Waterworld O Biosignature False Positives
Anna Grace Ulses, Joshua Krissansen-Totton, Tyler D. Robinson +3
The search for life outside our solar system is at the forefront of modern astronomy, and telescopes such as the Habitable Worlds Observatory (HWO) are being designed to identify b…
astro-ph.EP2024
In-situ crystallographic mapping constrains sulfate deposition and timing in Jezero crater, Mars
Michael W. M. Jones, David T. Flannery, Joel A. Hurowitz +25
Late-stage Ca-sulfate-filled fractures are common on Mars. Notably, the Shenandoah formation in the western edge of Jezero crater preserves a variety of Ca-sulfate minerals in the…