activity
20182022
most citedCallisto's atmosphere: First evidence for H2 and constraints on H2O

25 citations · 69 across the 5 of their papers we have counts for

collaborators

7 papers

astro-ph.EP20216 cited

The influence of upper boundary conditions on molecular kinetic atmospheric escape simulations

S. R. Carberry Mogan, O. J. Tucker, R. E. Johnson

Molecular kinetic simulations are typically used to accurately describe the tenuous regions of the upper atmospheres on planetary bodies. These simulations track the motion of part…

astro-ph.EP202123 cited

A tenuous, collisional atmosphere on Callisto

Shane Carberry Mogan, Orenthal Tucker, Robert Johnson +7

A simulation tool which utilizes parallel processing is developed to describe molecular kinetics in 2D, single-and multi-component atmospheres on Callisto. This expands on our prev…

astro-ph.EP2021

Persephone: A Pluto-System Orbiter and Kuiper Belt Explorer

Carly Howett, Stuart Robbins, Bryan J. Holler +40

Persephone is a NASA concept mission study that addresses key questions raised by New Horizons' encounters with Kuiper Belt objects (KBOs), with arguably the most important being "…

astro-ph.EP2020

On the Effect of Magnetospheric Shielding on the Lunar Hydrogen Cycle

Orenthal J. Tucker, William M. Farrell, Andrew R. Poppe

We examine how water is produced globally over the lunar surface as it orbits in/out of the magnetotail. Due to the interaction of the solar wind (SW) with Earth's magnetic field,…

astro-ph.EP202015 cited

Lifetime of a transient atmosphere produced by Lunar Volcanism

Orenthal J. Tucker, Rosemary M. Killen, Robert E. Johnson +1

Early in the Moon's history volcanic outgassing may have produced a periodic millibar level atmosphere (Needham and Kring, 2017). We examined the relevant atmospheric escape proces…

astro-ph.IM2020

The Science Case for a Titan Flagship-class Orbiter with Probes

Conor A. Nixon, James Abshire, Andrew Ashton +36

We outline a flagship-class mission concept focused on studying Titan as a global system, with particular emphasis on the polar regions. Investigating Titan from the unique standpo…