Exoplanetary atmospheres: key insights, challenges, and prospects

N Madhusudhan - Annual Review of Astronomy and …, 2019 - annualreviews.org
Exoplanetary science is on the verge of an unprecedented revolution. The thousands of
exoplanets discovered over the past decade have most recently been supplemented by …

Exoplanet biosignatures: a review of remotely detectable signs of life

EW Schwieterman, NY Kiang, MN Parenteau… - Astrobiology, 2018 - liebertpub.com
In the coming years and decades, advanced space-and ground-based observatories will
allow an unprecedented opportunity to probe the atmospheres and surfaces of potentially …

Revealing the mysteries of Venus: The DAVINCI mission

JB Garvin, SA Getty, GN Arney… - The Planetary …, 2022 - iopscience.iop.org
Abstract The Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging
(DAVINCI) mission described herein has been selected for flight to Venus as part of the …

The case and context for atmospheric methane as an exoplanet biosignature

MA Thompson, J Krissansen-Totton… - Proceedings of the …, 2022 - National Acad Sciences
Methane has been proposed as an exoplanet biosignature. Imminent observations with the
James Webb Space Telescope may enable methane detections on potentially habitable …

Habitability and biosignatures of Hycean worlds

N Madhusudhan, AAA Piette… - The Astrophysical …, 2021 - iopscience.iop.org
We investigate a new class of habitable planets composed of water-rich interiors with
massive oceans underlying H 2-rich atmospheres, referred to here as Hycean worlds. With …

Atmospheres of rocky exoplanets

R Wordsworth, L Kreidberg - Annual Review of Astronomy and …, 2022 - annualreviews.org
Rocky planets are common around other stars, but their atmospheric properties remain
largely unconstrained. Thanks to a wealth of recent planet discoveries and upcoming …

Hidden water in magma ocean exoplanets

C Dorn, T Lichtenberg - The Astrophysical Journal Letters, 2021 - iopscience.iop.org
We demonstrate that the deep volatile storage capacity of magma oceans has significant
implications for the bulk composition, interior, and climate state inferred from exoplanet mass …

Impact of space weather on climate and habitability of terrestrial-type exoplanets

VS Airapetian, R Barnes, O Cohen… - International Journal of …, 2020 - cambridge.org
The search for life in the Universe is a fundamental problem of astrobiology and modern
science. The current progress in the detection of terrestrial-type exoplanets has opened a …

Modeling repeated M dwarf flaring at an Earth-like planet in the habitable zone: atmospheric effects for an unmagnetized planet

MA Tilley, A Segura, V Meadows, S Hawley… - Astrobiology, 2019 - liebertpub.com
Understanding the impact of active M dwarf stars on the atmospheric equilibrium and
surface conditions of a habitable zone Earth-like planet is key to assessing M dwarf planet …

A robust, agnostic molecular biosignature based on machine learning

HJ Cleaves, G Hystad, A Prabhu… - Proceedings of the …, 2023 - National Acad Sciences
The search for definitive biosignatures—unambiguous markers of past or present life—is a
central goal of paleobiology and astrobiology. We used pyrolysis–gas chromatography …