Formation and Transformation of Clathrate Hydrates under Interstellar Conditions

J Ghosh, G Vishwakarma, R Kumar… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Continuing efforts by many research groups have led to the discovery of∼ 240
species in the interstellar medium (ISM). Observatory-and laboratory-based astrochemical …

Key atmospheric signatures for identifying the source reservoirs of volatiles in Uranus and Neptune

O Mousis, A Aguichine, DH Atkinson, SK Atreya… - Space Science …, 2020 - Springer
We investigate the enrichment patterns of several delivery scenarios of the volatiles to the
atmospheres of ice giants, having in mind that the only well constrained determination made …

Induced Migration of CO2 from Hydrate Cages to Amorphous Solid Water under Ultrahigh Vacuum and Cryogenic Conditions

G Vishwakarma, BK Malla, KP Reddy… - The Journal of …, 2023 - ACS Publications
Restricted migration of reactive species limits chemical transformations within interstellar
and cometary ices. We report the migration of CO2 from clathrate hydrate (CH) cages to …

In situ X-ray diffraction study on hydrate formation at low temperature in a high vacuum

RPC Bauer, A Ravichandran, JS Tse… - The Journal of …, 2021 - ACS Publications
The condition for incorporating simple gases with H2O to form clathrate hydrates in
protosolar nebula is a subject of topical interest. Methane and carbon dioxide clathrate …

Facile Crystallization of Ice Ih via Formaldehyde Hydrate in Ultrahigh Vacuum under Cryogenic Conditions

J Ghosh, G Vishwakarma, S Das… - The Journal of Physical …, 2021 - ACS Publications
Although hexagonal ice (ice Ih) is the most common and highly studied crystalline form of
ice, its nucleation from clathrate hydrates is poorly understood. Here, we report the formation …

Partitioning photochemically formed CO 2 into clathrate hydrate under interstellar conditions

G Vishwakarma, BK Malla, R Kumar… - Physical Chemistry …, 2024 - pubs.rsc.org
Clathrate hydrates (CHs), host–guest compounds of water forming hydrogen-bonded cages
around guest molecules, are now known to exist under interstellar conditions. Experimental …

The origin and evolution of Saturn: A post-Cassini perspective

SK Atreya, A Crida, T Guillot, C Li, JI Lunine… - arxiv preprint arxiv …, 2022 - arxiv.org
The Saturn System has been studied in detail by the Cassini-Huygens Mission. A major
thrust of those investigations has been to understand how Saturn formed and evolved and to …