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The Last Possible Outposts for Life on Mars.

Davila, Alfonso F Schulze-Makuch, Dirk

Published in Astrobiology

The evolution of habitable conditions on Mars is often tied to the existence of aquatic habitats and largely constrained to the first billion years of the planet. Here, we propose an alternate, lasting evolutionary trajectory that assumes the colonization of land habitats before the end of the Hesperian period (ca. 3 billion years ago) at a pace si...

Enceladus’s measured physical libration requires a global subsurface ocean

P C, Thomas R, Tajeddine Matthew Tiscareno J A, Burns J, Joseph T J, Loredo P, Helfenstein C, Porco

Published in Icarus

Several planetary satellites apparently have subsurface seas that are of great interest for, among other reasons, their possible habitability. The geologically diverse saturnian satellite Enceladus vigorously vents liquid water and vapor from fractures within a south polar depression and thus must have a liquid reservoir or active melting. However,...

Observing Planetary Rings and Small Satellites with the James Webb Space Telescope: Science Justification and Observatio...

Matthew Tiscareno Mark Showalter Richard G, French Joseph A, Burns Jeffrey N, Cuzzi Imke, De Pater Douglas P, Hamilton Matthew M, Hedman Philip D, Nicholson Daniel, Tamayo ...

Published in Publications of the Astronomical Society of the Pacific

The James Webb Space Telescope (JWST) will provide unprecedented opportunities to observe the rings and small satellites in our Solar System, accomplishing three primary objectives:(1) discovering new rings and moons,(2) unprecedented spectroscopy, and (3) time-domain observations. We give details on these science objectives and describe requiremen...

Solar System Observations with the James Webb Space Telescope

James, Norwood Heidi, Hammel Stefanie, Milam John, Stansberry Jonathan, Lunine Nancy, Chanover Dean, Hines George, Sonneborn Matthew Tiscareno Michael, Brown ...

Published in Publications of the Astronomical Society of the Pacific

The James Webb Space Telescope (JWST) will enable a wealth of new scientific investigations in the near-and mid-infrared, with sensitivity and spatial/spectral resolution greatly surpassing its predecessors. In this paper, we focus upon Solar System science facilitated by JWST, discussing the most current information available concerning JWST instr...

Draft Genome Sequence of Janthinobacterium sp. Ant5-2-1, Isolated from Proglacial Lake Podprudnoye in the Schirmacher Oa... PDF available through Get Fulltext Research

Koo, Hyunmin Strope, Bailey M Kim, Eddy H Shabani, Adel M Kumar, Ranjit Crowley, Michael R Andersen, Dale T Bej, Asim K

Published in Genome announcements

Janthinobacterium sp. Ant5-2-1, isolated from the Schirmacher Oasis of East Antarctica, produces a purple-violet pigment, manifests diverse energy metabolism abilities, and tolerates cold, ultraviolet radiation, and other environmental stressors. We report here the 6.19-Mb draft genome of strain Ant5-2-1, which will help understand its survival mec...

Zumba Crater, Daedalia Planum, Mars: Geologic Investigation of a Young, Rayed Impact Crater and its Secondary Field

Chuang, Frank C Crown, David A Livio Leonardo Tornabene

Published in Icarus

Zumba is a∼ 2.9 km diameter rayed crater on Mars located on extensive lava plains in Daedalia Planum to the southwest of Arsia Mons. It is a well-preserved young crater with large ejecta rays that extend for hundreds of kilometers from the impact site. The rays are thermally distinct from the background lava flows in THEMIS daytime and nighttime th...

Groundwater flow induced collapse and flooding in Noctis Labyrinthus, Mars

Rodriguez, Alexis P Zarroca, Mario Linares, Rogelio Virginia Gulick Weitz, Catherine M Jianguo, Yan Fairén, Alberto G Miyamoto, Hideaki Platz, Thomas Baker, Victor ...

Published in Planetary and Space Science

Catastrophic floods of enormous proportions are thought to have played a major role in the excavation of some of the Solar System s largest channels; the circum-Chryse outflow channels. The generation of the floods has been attributed to both the evacuation of regional highland aquifers and ancient paleo-lakes. Numerous investigators indicate that ...

Asteroids and the James Webb Space Telescope

Rivkin, Andrew S Franck Marchis Stansberry, John A Takir, Driss Thomas, Cristina

Published in Publications of the Astronomical Society of the Pacific

The James Webb Space Telescope (JWST) provides the opportunity for ground- breaking observations of asteroids. It covers wavelength regions that are unavailable from the ground and does so with unprecedented sensitivity. The main belt and Trojan asteroids are all observable at some point in the JWST lifetime. We present an overview of the capabilit...

Spectral characterization of the sulfate deposits at the Mars analog site of La Solfatara (Italy)

Flahaut, J Janice Bishop Daniel, I Silvestro, S Tedesco, D Quantin, C

Characterization of aeolian and sedimentary features in the Mawrth Vallis region

Lowe, D R Janice Bishop Ross Beyer Wilhelm, M B Wray, J J Loizeau, D

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