Dale Andersen sent this message from: Lat -71.33293 Lon 13.45381 on 19 November 2017 at 1:43:18 AM EST: “The weather here is pretty bad with high winds gusting at 45-50 […]
2017
Posted inHabitable Zones, Press Release
The Origin Of Earth's Water
A New Physical Model Explains The Origin Of Earth’s Water. Equipped with Newton’s law of universal gravitation (published in Principia 330 years ago) and powerful computational resources (used to apply […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Press Release, TRAPPIST-1
Planet-Planet Occultations in TRAPPIST-1 and Other Exoplanet Systems
We explore the occurrence and detectability of planet-planet occultations (PPOs) in exoplanet systems. These are events during which a planet occults the disk of another planet in the same system, […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Dale Andersen's Field Reports, Exploration Gear & Tech, Icy Worlds, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report
Astrobiologist Dale Andersen Antarctic Status Report 15 November 2017: Deploying Instruments
Dale Andersen sent this message from: Lat -71.332844 Lon 13.453746 on 15 November 2017 11:29:14 AM EST: Hi Keith: We had another productive day with good weather here at Lake […]
Posted inBiogeochemical Cycles & Geobiology, Press Release
When Water Met Iron Deep Inside the Earth
Reservoirs of oxygen-rich iron between the Earth’s core and mantle could have played a major role in Earth’s history, including the breakup of supercontinents, drastic changes in Earth’s atmospheric makeup, […]
Posted inExoplanets, -moons, -comets, Press Release
Closest Temperate World Orbiting A Quiet Star Discovered
A team working with ESO’s High Accuracy Radial velocity Planet Searcher (HARPS) at the La Silla Observatory in Chile has found that the red dwarf star Ross 128 is orbited […]
Posted inPress Release, Proxima Centauri
Exocomets in the Proxima Centauri System and Their Importance for Water Transport
The scenario and the efficiency of water transport by icy asteroids and comets are still amongst the most important unresolved questions about the early phases of planetary systems. The detection […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Dale Andersen's Field Reports, Exploration Gear & Tech, Icy Worlds, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report
Astrobiologist Dale Andersen Antarctic Status Report 14 November 2017: Setting Up Camp
Dale Andersen sent this message via Iridium satphone on 14 November 2017 1:09:15 PM EST Hi Keith: We are settling in and our camp is fully operational – all the […]
Posted inAstrochemistry, Press Release
HNCO: A Molecule Traces Low-velocity Shock
Using data from MALT90 (Millimetre Astronomy Legacy Team Survey at 90 GHz), we present molecular line study of a sample of ATLASGAL (APEX Telescope Large Area Survey of the Galaxy) […]
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 […]