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Geology


— Environment

Study suggests volcanic eruptions behind pause in climate change

By - July 10, 2015 3 Pictures

Over the last few years, many possible explanations have been bandied about for the so-called pause in climate change, a plateau in global surface air temperatures that is out of step with rising greenhouse gas concentrations. But now an international research effort is laying responsibility at the feet of volcanic eruptions, whose particles it has found reflect twice as much solar radiation as previously believed, serving to temporarily cool the planet in the face of rising CO2 emissions.

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— Environment

Atomic clocks could be used to monitor volcanoes and predict eruptions

By - July 7, 2015 1 Picture

If you've ever been to Yellowstone National Park in Wyoming, you may have been aware of two things; its magnificent grandeur, and the fact that it's an active supervolcano that, if it ever erupted again, would be worst event to hit the Earth since the dinosaur-killing asteroid. To help keep an eye out for this and similar events, a team at the University of Zurich have developed a means of monitoring volcanic events using atomic clocks.

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— Space

Best evidence of active lava flows spotted on Venus

By - June 24, 2015 3 Pictures

ESA's Venus Express spacecraft has found the best evidence yet of active lava flows on Venus. Earlier missions to Venus have shown that the surface bears the unmistakable scarring of fierce, ancient volcanic activity. However, prior to Venus express, no mission had been successful in directly imaging clues to contemporary volcanism. This quirk has baffled scientists for years, as it has long been assumed that Venus hosts an internal heat source, and that heat has to escape somehow.

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— Space

Curiosity takes a detour

By - May 27, 2015 3 Pictures

NASA's Mars Curiosity rover has been forced to alter its route after being faced with dangerous terrain. The current objective of the robotic explorer is to investigate a geological boundary between two distinct forms of bedrock as a part of its mission to explore the heights of Mount Sharp, and ultimately unlock the secrets of the Red Planet's ancient past.

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— Space

Curiosity dates rock, finds potential good news for astronauts and search for life

By - December 9, 2013 10 Pictures
The chances of life having once existed on Mars got a boost this week alongside good news for astronauts on any future expeditions to the Red Planet. Six papers from Curiosity team members presented to the autumn meeting of the American Geophysical Union in San Francisco revealed that they had directly dated their first Martian rock, gave details of an ancient lake where life may once of existed, and found new evidence about the radiation hazards that explorers and colonists may one day face. Read More
— Science

Link found between global warming and increased volcanic activity

By - December 19, 2012 2 Pictures
It’s no secret that volcanic eruptions can cool the planet by spewing ash and droplets of sulfuric acid into the atmosphere that obscure the sun. Now researchers at Germany’s GEOMAR Helmholtz Centre for Ocean Research Kiel and Harvard University have found evidence that suggest the reverse could also be true. The researchers have discovered a strong historical link between global temperature increases and increases in volcanic activity. Read More
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