News tagged with hemisphere
Dinosaur with tiny arms unearthed in Argentina
Argentine experts have discovered the near-complete remains of a new species of Jurassic-era dinosaur that stood on its rear legs and had tiny arms, according to a leading paleontologist.
Other Sciences / Archaeology & Fossils
May 25, 2012 |
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Venus Express unearths new clues to the planet's geological history
(Phys.org) -- ESA's Venus Express has been used to study the geology in a region near Venus' equator. Using near-infrared observations collected by the Venus Monitoring Camera (VMC), scientists have found ...
Space & Earth / Space Exploration
May 23, 2012 |
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Poorly armed, but successful: The rise of the tyrants of the South
The stubby arms of Tyrannosaurus rex obviously weren't designed for hand-to-hand combat. However, the abelisaurids of the Southern hemisphere were even less well equipped in that department–and upper limb reduction began ...
Other Sciences / Archaeology & Fossils
May 23, 2012 |
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Dead ahead: Less rainfall for drought-sensitive southern hemisphere regions?
(Phys.org) -- Warming climate may mean less rainfall for drought-sensitive regions of the Southern Hemisphere, according to results just published by an international research team.
Space & Earth / Earth Sciences
May 21, 2012 |
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Tracking a Jurassic reversal of the Earth's magnetic field
Roughly 180 million years ago, during the height of the Jurassic period, the Earth's magnetic field flipped, bringing the magnetic north pole once again into the Northern Hemisphere.
Space & Earth / Earth Sciences
May 17, 2012 |
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Black carbon, tropospheric ozone most likely driving Earth's tropical belt expansion
Black carbon aerosols and tropospheric ozone, both manmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further polew ...
Space & Earth / Earth Sciences
May 16, 2012 |
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Time, place and how wood is used are factors in carbon emissions from deforestation
A new study from the University of California, Davis, provides a deeper understanding of the complex global impacts of deforestation on greenhouse gas emissions.
May 13, 2012 |
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Juno spacecraft images 'Big Dipper'
(Phys.org) -- In England it is known as the "Plough," in Germany the "Great Cart," and in Malaysia the "Seven Ploughs." Since humanity first turned its eyes skyward, the seven northern hemisphere stars that ...
Space & Earth / Space Exploration
May 11, 2012 |
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Asteroid collision that spawned Vesta's asteroid family occurred more recently than thought
A team of researchers led by a NASA Lunar Science Institute (NLSI) member based at Southwest Research Institute has discovered evidence that the giant impact crater Rheasilvia on Asteroid (4) Vesta was created ...
Space & Earth / Space Exploration
May 10, 2012 |
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Opportunity rover rolling again after fifth Mars winter
(Phys.org) -- With its daily supply of solar energy increasing, NASA's durable Mars Exploration Rover Opportunity has driven off the sunward-tilted outcrop, called Greeley Haven, where it worked during its ...
Space & Earth / Space Exploration
May 09, 2012 |
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Atmospheric warming altering ocean salinity
The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...
Space & Earth / Earth Sciences
Apr 27, 2012 |
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Martian volcanic glass could be hotspot for life
Water may have played a role in forming plains of volcanic glass that spread across nearly a third of Mars. The discovery of this volcanic glass could steer scientists toward subglacial lakes where martian ...
Space & Earth / Space Exploration
Apr 26, 2012 |
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Lake Erie's thermal structure and circulation are backward
A series of high-resolution measurements has shown that Lake Erie, one of the North American Great Lakes, is, in some respects, backward. In the majority of thermally stratified lakes, the thermocline, a thin subsurface layer ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
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Dawn gets extra time to explore Vesta
(Phys.org) -- NASA's Dawn mission has received official confirmation that 40 extra days have been added to its exploration of the giant asteroid Vesta, the second most massive object in the main asteroid belt. ...
Space & Earth / Space Exploration
Apr 19, 2012 |
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Loss of predators in Northern Hemisphere affecting ecosystem health
A survey done on the loss in the Northern Hemisphere of large predators, particularly wolves, concludes that current populations of moose, deer, and other large herbivores far exceed their historic levels ...
Apr 09, 2012 |
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