Results 91 to 100 of about 94,271 (166)

Linking Methanogenesis in Low-Temperature Hydrothermal Vent Systems to Planetary Spectra: Methane Biosignatures on an Archean-Earth-like Exoplanet. [PDF]

Astrobiology, 2023
Seeburger R, Higgins PM, Whiteford NP, Cockell CS.   +3 more
europepmc   +1 more source

Examining the Potential for Methyl Halide Accumulation and Detectability in Possible Hycean-type Atmospheres

The Astrophysical Journal Letters
Some sub-Neptune planets may host habitable conditions; for example “Hycean” worlds with H _2 envelopes over liquid water oceans can maintain potentially hospitable pressures and temperatures at their surface.
Michaela Leung, Shang-Min Tsai, Edward W. Schwieterman, Daniel Angerhausen, Janina Hansen   +4 more
doaj   +1 more source

Photochemically produced SO₂ in the atmosphere of WASP-39b. [PDF]

Nature, 2023
Tsai SM, Lee EKH, Powell D, Gao P, Zhang X, Moses J, Hébrard E, Venot O, Parmentier V, Jordan S, Hu R, Alam MK, Alderson L, Batalha NM, Bean JL, Benneke B, Bierson CJ, Brady RP, Carone L, Carter AL, Chubb KL, Inglis J, Leconte J, Line M, López-Morales M, Miguel Y, Molaverdikhani K, Rustamkulov Z, Sing DK, Stevenson KB, Wakeford HR, Yang J, Aggarwal K, Baeyens R, Barat S, de Val-Borro M, Daylan T, Fortney JJ, France K, Goyal JM, Grant D, Kirk J, Kreidberg L, Louca A, Moran SE, Mukherjee S, Nasedkin E, Ohno K, Rackham BV, Redfield S, Taylor J, Tremblin P, Visscher C, Wallack NL, Welbanks L, Youngblood A, Ahrer EM, Batalha NE, Behr P, Berta-Thompson ZK, Blecic J, Casewell SL, Crossfield IJM, Crouzet N, Cubillos PE, Decin L, Désert JM, Feinstein AD, Gibson NP, Harrington J, Heng K, Henning T, Kempton EM, Krick J, Lagage PO, Lendl M, Lothringer JD, Mansfield M, Mayne NJ, Mikal-Evans T, Palle E, Schlawin E, Shorttle O, Wheatley PJ, Yurchenko SN.   +84 more
europepmc   +1 more source

Analogous response of temperate terrestrial exoplanets and Earth's climate dynamics to greenhouse gas supplement. [PDF]

Sci Rep, 2023
Hochman A, Komacek TD, De Luca P.
europepmc   +1 more source

Atmospheric Retrievals of the Young Giant Planet ROXs 42B b from Low- and High-resolution Spectroscopy

The Astronomical Journal
Previous attempts have been made to characterize the atmospheres of directly imaged planets at low resolution ( R ∼ 10–100 s), but the presence of clouds has often led to degeneracies in the retrieved atmospheric abundances with cloud opacity and ...
Julie Inglis, Nicole L. Wallack, Jerry W. Xuan, Heather A. Knutson, Yayaati Chachan, Marta L. Bryan, Brendan P. Bowler, Aishwarya Iyer, Tiffany Kataria, Björn Benneke   +9 more
doaj   +1 more source

No thick carbon dioxide atmosphere on the rocky exoplanet TRAPPIST-1 c. [PDF]

Nature, 2023
Zieba S, Kreidberg L, Ducrot E, Gillon M, Morley C, Schaefer L, Tamburo P, Koll DDB, Lyu X, Acuña L, Agol E, Iyer AR, Hu R, Lincowski AP, Meadows VS, Selsis F, Bolmont E, Mandell AM, Suissa G.   +18 more
europepmc   +1 more source

Quartz Clouds in the Dayside Atmosphere of the Quintessential Hot Jupiter HD 189733 b

The Astrophysical Journal Letters
Recent mid-infrared observations with JWST's Mid-Infrared Instrument Low Resolution Spectrometer (MIRI LRS) have resulted in the first direct detections of absorption features from silicate clouds in the transmission spectra of two transiting exoplanets,
Julie Inglis, Natasha E. Batalha, Nikole K. Lewis, Tiffany Kataria, Heather A. Knutson, Brian M. Kilpatrick, Anna Gagnebin, Sagnick Mukherjee, Maria M. Pettyjohn, Ian J. M. Crossfield, Trevor O. Foote, David Grant, Gregory W. Henry, Maura Lally, Laura K. McKemmish, David K. Sing, Hannah R. Wakeford, Juan C. Zapata Trujillo, Robert T. Zellem   +18 more
doaj   +1 more source

Synergies Between Venus & Exoplanetary Observations: Venus and Its Extrasolar Siblings. [PDF]

Space Sci Rev, 2023
Way MJ, Ostberg C, Foley BJ, Gillmann C, Höning D, Lammer H, O'Rourke J, Persson M, Plesa AC, Salvador A, Scherf M, Weller M.   +11 more
europepmc   +1 more source

The Response of Planetary Atmospheres to the Impact of Icy Comets. I. Tidally Locked Exo-Earths

The Astrophysical Journal
Impacts by rocky and icy bodies are thought to have played a key role in shaping the composition of solar system objects, including the Earth’s habitability. Hence, it is likely that they play a similar role in exoplanetary systems. We investigate how an
F. Sainsbury-Martinez, C. Walsh, G. Cooke   +2 more
doaj   +1 more source

Biological, Equilibrium and Photochemical Signatures of C, N and S Isotopes in the Early Earth and Exoplanet Atmospheres. [PDF]

Life (Basel)
Lyons JR.
europepmc   +1 more source