The evolution of Earth's biogeochemical nitrogen cycle
Nitrogen is an essential nutrient for all life on Earth and it acts as a major control on
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
A review of possible planetary atmospheres in the TRAPPIST-1 system
TRAPPIST-1 is a fantastic nearby (∼ 39.14 light years) planetary system made of at least
seven transiting terrestrial-size, terrestrial-mass planets all receiving a moderate amount of …
seven transiting terrestrial-size, terrestrial-mass planets all receiving a moderate amount of …
Simulating the density of organic species in the atmosphere of Titan with a coupled ion-neutral photochemical model
We present a one-dimensional coupled ion-neutral photochemical kinetics and diffusion
model to study the atmospheric composition of Titan in light of new theoretical kinetics …
model to study the atmospheric composition of Titan in light of new theoretical kinetics …
Creation and evolution of impact-generated reduced atmospheres of early Earth
KJ Zahnle, R Lupu, DC Catling… - The Planetary Science …, 2020 - iopscience.iop.org
The origin of life on Earth seems to demand a highly reduced early atmosphere, rich in CH
4, H 2, and NH 3, but geological evidence suggests that Earth's mantle has always been …
4, H 2, and NH 3, but geological evidence suggests that Earth's mantle has always been …
Atmospheric escape processes and planetary atmospheric evolution
The habitability of the surface of any planet is determined by a complex evolution of its
interior, surface, and atmosphere. The electromagnetic and particle radiation of stars drive …
interior, surface, and atmosphere. The electromagnetic and particle radiation of stars drive …
Modeling climate diversity, tidal dynamics and the fate of volatiles on TRAPPIST-1 planets
TRAPPIST-1 planets are invaluable for the study of comparative planetary science outside
our solar system and possibly habitability. Both transit timing variations (TTV) of the planets …
our solar system and possibly habitability. Both transit timing variations (TTV) of the planets …
Detection of CO and HCN in Pluto's atmosphere with ALMA
Abstract Observations of the Pluto-Charon system, acquired with the ALMA interferometer on
June 12–13, 2015, have led to the detection of the CO (3-2) and HCN (4-3) rotational …
June 12–13, 2015, have led to the detection of the CO (3-2) and HCN (4-3) rotational …
Energy deposition and primary chemical products in Titan's upper atmosphere
Cassini results indicate that solar photons dominate energy deposition in Titan's upper
atmosphere. These dissociate and ionize nitrogen and methane and drive the subsequent …
atmosphere. These dissociate and ionize nitrogen and methane and drive the subsequent …
Isotope selective photodissociation of N2 by the interstellar radiation field and cosmic rays
AN Heays, R Visser, R Gredel, W Ubachs… - Astronomy & …, 2014 - aanda.org
Context. Photodissociation of 14 N 2 and 14 N 15N occurs in interstellar clouds,
circumstellar envelopes, protoplanetary discs, and other environments due to ultraviolet …
circumstellar envelopes, protoplanetary discs, and other environments due to ultraviolet …
Nitrogen isotope fractionation in protoplanetary disks
R Visser, S Bruderer, P Cazzoletti, S Facchini… - Astronomy & …, 2018 - aanda.org
Aims. The two stable isotopes of nitrogen, 14 N and 15 N, exhibit a range of abundance
ratios both inside and outside the solar system. The elemental ratio in the solar …
ratios both inside and outside the solar system. The elemental ratio in the solar …