News tagged with southern hemisphere

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The scars of impacts on Mars

ESA's Mars Express has returned new images of an elongated impact crater in the southern hemisphere of Mars. Located just south of the Huygens basin, it could have been carved out by a train of projectiles ...

Mar 04, 2011
3.8 / 5 (6) 1 | with audio podcast

New interpretation of Antarctic ice cores

Climate researchers at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) expand a prevalent theory regarding the development of ice ages. In the current issue of the journal Nature three ...

Mar 02, 2011
4.2 / 5 (5) 0 | with audio podcast

Researchers find evidence of fire in Antarctic ice

(PhysOrg.com) -- A team of scientists studying Antarctic ice cores have found surprising evidence of a fluctuating pattern of carbon monoxide concentrations in the Earth's atmosphere caused by biomass burning in the Southern ...

Dec 02, 2010
4.6 / 5 (8) 0 | with audio podcast

NASA study finds Earth's lakes are warming

(PhysOrg.com) -- In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth's largest lakes have warmed during the past 25 years in response to climate ...

Nov 23, 2010
3.8 / 5 (14) 3 | with audio podcast