Today’s Popular Posts
- .
Popular Posts
- ,
Tag Archives: oceans
New water for life: Lakes on Jupiter’s moon Europa
Europa lake formation between surface and ocean….Credit: Britney Schmidt, U.of Texas, Austin This story begins with chaotic terrain on a moon of Jupiter, Europa. Ever since the space probe Galileo zipped by this part of the solar system and recorded the most detailed pictures of the surface of Europa, astroscientists have pretty much come to [...]
Posted in News: Exogenous Life Also tagged chaotic terrain, Europa, Europa lakes, Galileo, Jupiter, Moon, thick ice, thin ice, water Leave a comment
Ocean on Enceladus has built-in heater
Surface eruption on Enceladus, Saturn in the background….Credit : NASA/JPL About this time last year the American space agency NASA reported on new data from the Cassini mission to the planet Saturn confirming that one of Saturn’s moons, Enceladus, has liquid water and probably an ocean. [SciTechStory post: Enceladus has at least a sea, possibly [...]
Posted in News: Exogenous Life Also tagged Cassini, Dione, Enceladus, infrared spectrometer, life, NASA, Saturn, Saturn moons, tidal stress, tiger stripes Leave a comment
A first for the Earth: The Census of Marine Life
From 5,400 meters deep, the copepod ceratonotus steiningeri…credit: Jan Michels Creature pictures like the one above get our attention. There will be many such pictures popping up in the popular media for a few days. Let’s call them heralds for a major scientific achievement: the first global Census of Marine Life. The census is the [...]
Posted in News: Degrading Oceans Also tagged biodiversity, Census of Marine Life, climate change, GEOS, OBIS, species loss Leave a comment
New Study: Archean oceans cooler, better for origin of life
A key part of the hypothesis for the origin of life on Earth is that it developed in the oceans. The conventional model of the early oceans has stipulated that the waters of the middle Archean eon, roughly 4.0 to 3.5 billion years ago, were too hot for (abundant) life. The model also assumed that [...]
Ocean acidification – fewer shellfish
Oceans are mighty, big, and wide – but they are not indestructible. We’ve known for some time that Earth’s ocean ecology is threatened. Overfishing, pollution, warming have all come under the spotlight. Scientific studies continue to arrive that document various aspects of the decline of the oceans. Here’s a pioneer study that spotlights the delectable [...]
Posted in News: Degrading Oceans Also tagged acidification, carbon dioxide, global warming, shellfish Leave a comment
Key ocean currents warming at accelerated rate