The early prediction and subsequent detection of an O2 atmosphere on Europa, coupled with the discovery that Europa has an ocean under its ice mantle, has made this moon a […]
Europa
Posted inEuropa, Press Release
Dusk Over Dawn O2 Asymmetry in Europa's Near-Surface Atmosphere
The evolution of Europa’s water-product exosphere over its 85-hour day, based on current models, has not been shown to exhibit any diurnal asymmetries. Here we simulate Europa’s exosphere using a […]
Posted inEuropa, Press Release
Model Based on Hydrothermal Sources And The Possibility of Life on Europa
Jupiter’s icy moon Europa is a major target of astrobiology research in light of the possibility that it offers a habitable environment in the Solar System. Under its ice crust, […]
Posted inEuropa, Press Release
Galileo Ionosphere Profile Coincident With Repeat Plume detection Location at Europa
The location of a repeat plume detected at Europa is found to be coincident with the strongest ionosphere detection made by Galileo radio occultation in 1997. Melissa A. McGrath, William […]
Posted inEuropa, Press Release
An Impacting Descent Probe for Europa and the other Galilean Moons of Jupiter
We present a study of an impacting descent probe that increases the science return of spacecraft orbiting or passing an atmosphere-less planetary body of the solar system, such as the […]
Posted inEnceladus, Europa, Press Release
Webb Telescope Will Study Our Solar System's Ocean Worlds
NASA’s James Webb Space Telescope will use its infrared capabilities to study the “ocean worlds” of Jupiter’s moon Europa and Saturn’s moon Enceladus, adding to observations previously made by NASA’s […]
Posted inEnceladus, Europa, Press Release
A Novel Strategy to Seek Bio-signatures at Enceladus and Europa
A laboratory experiment is suggested in which conditions similar to those in the plume ejecta from Enceladus and, perhaps, Europa are established. Using infrared spectroscopy and polarimetry, the experiment might […]
Posted inEuropa, Press Release
Pebble Accretion at the Origin of Water in Europa
Despite the fact that the observed gradient in water content among the Galilean satellites is globally consistent with a formation in a circum-Jovian disk on both sides of the snowline, […]
Posted inBiosignatures & Paleobiology, Europa, Press Release
Building A Mass Spectrometer To Land on Europa
An instrument originally developed to search for organic molecules on Mars is being repurposed to potentially hunt for life on a handful of moons in the outer solar system that […]
Posted inEuropa, Press Release
The Seismic Noise Environment of Europa
Seismic data will be a vital geophysical constraint on internal structure of Europa if we land instruments on the surface. Quantifying expected seismic noise on Europa is an important consideration […]