Category Archives: paper reviews

The source of Enceladus’ plumes

Posted on October 11, 2007 by Chris Rowan

An interesting picture from Enceladus, currently everyone’s favourite geologically active, extra-terrestrial body:

Categories: paper reviews, planets

Out of the ice age, into the asteroid shower

Posted on October 3, 2007 by Chris Rowan

Was the biggest cold snap in the last deglaciation caused by an extraterrestrial impact?
Continue reading →

Categories: climate science, geochemistry, geohazards, paper reviews, past worlds, planets, Pleistocene

Mars less wet than we thought?

Posted on September 25, 2007 by Chris Rowan

Mars has a habit of disappointing us; exotic possibilities are presented to us, before fading away into nothingness when we look more closely. Percival Lowell’s canals didn’t survive close scrutiny, and now Phil reports that the merciless gaze of the … Continue reading →

Categories: paper reviews, planets

Bacteria and black smokers go back a long way

Posted on August 21, 2007 by Chris Rowan

I tempered the other week’s repost on some rather impressive 1.5 billion year-old black smoker chimneys, and the fossilised microbes found within them, with some words of caution about the ‘clues to the origin of life’ spin that the discovery … Continue reading →

Categories: fossils, geology, paper reviews, Proterozoic