I just got off the phone with Dale Andersen who is at Lake Obersee, Antarctica. He reports that his team’s dives have been a success and that microbial mat and […]
exobiology
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
Dale Andersen's Antarctic Field Report 2 December 2013
We made the first dives beneath the thick, perennial ice (3.6 m) of Lake Obersee yesterday. It was nice being back under the ice again, and its always interesting. […]
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
Dale Andersen's Antarctic Field Report 30 November 2013
We have had pretty nice weather the last two days so we have taken advantage of it with a fair amount of work. Today we put up the tripod that […]
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
Dale Andersen's Antarctic Field Report 27 November 2013
The weather today was quite nice. While a bit windy, it was sunny all day which was a nice change of pace. We completed the dive hole this afternoon, and […]
Posted inDale Andersen's Field Reports
Dale Andersen's Antarctic Field Report 26 November 2013
Today’s weather is a major improvement over what we have seen the last two weeks while in Antarctica. This really is the first day of beautiful blue skies, sunshine and […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Dale Andersen's Field Reports, Icy Worlds, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report
Dale Andersen's Antarctic Field Report 24 November 2013
My research team and I are now camped on the shores of Lake Obersee, a few km NE of Lake Untersee in the mountains of Queen Maud Land. It was […]
Posted inIcy Worlds, Panspermia
Seeding Life on the Moons of the Outer Planets via Lithopanspermia
Material from the surface of a planet can be ejected into space by a large impact, and could carry primitive life forms with it. We performed n-body simulations of such […]
Posted inExoplanets, -moons, -comets, Extremeophiles and Extreme Environments, Habitable Zones
Carbon Worlds May be Waterless
Planets rich in carbon, including so-called diamond planets, may lack oceans, according to NASA-funded theoretical research. Our sun is a carbon-poor star, and as result, our planet Earth is made […]
Posted inBiosignatures & Paleobiology, Origin & Evolution of Life
Oxygen Does Not Necessarily Lead to Evolution of Advanced Life
Any textbook will tell you that oxygen is essential for advanced life to evolve. But why did life not explode when oxygen levels rose dramatically 2.1 billion years ago? This […]
Posted inHabitable Zones, Origin & Evolution of Life
Climate Puzzle Over The Origin of Life on Earth
The mystery of why life on Earth evolved when it did has deepened with the publication of a new study in the latest edition of the journal Science. Scientists at […]