Sentences with phrase «south polar region»

A team of researchers led by Cornell's Radwan Tajeddine examined Cassini data and found evidence that the active south polar region of Enceladus — the fractured terrain seen here at bottom — may have originally been closer to the icy moon's equator.

Tajeddine believes an asteroid may have struck the moon's current south polar region when it was closer to the equator in the past.

Image showing the thickness of Enceladus's ice shell, which reaches 35 kilometers in the cratered equatorial regions (shown in yellow) and less than 5 kilometers in the active south polar region (shown in blue).

Clementine used radar to detect the signature of water in the permanently - shadowed South polar region, which scientists thought was the most likely place to look for water.

Seen from within, Dione is very similar to its smaller but more famous neighbor Enceladus, whose south polar region spurts huge jets of water vapor into space.

This view of Titan's south polar region reveals an intriguing dark feature that may be the site of a past or present lake of liquid hydrocarbons.

As for the consistency in sign, my rule of thumb has been that there is no significant communication between the north and south polar regions through the atmosphere (this comes up in the context of glacial - interglacial fluctuations) so it would have to be oceanic.

Both the north and south polar regions of Mars are covered in a permanent cap of ice, similar to modern day Antarctica.

This is a geological map of the south polar region of the moon.

NASA's Cassini spacecraft has begun transmitting its latest images of Saturn's icy, geologically active moon Enceladus, acquired during the dramatic Oct. 28 flyby in which the probe passed about 30 miles (49 kilometers) above the moon's south polar region.

The Jovian Infrared Auroral Mapper (JIRAM), supplied by the Italian Space Agency, acquired some remarkable images of Jupiter at its north and south polar regions in infrared wavelengths.

Kite and Rubin have proposed that new Cassini data can test this idea by revealing whether or not the ice shell in the south polar region is warm.

By coincidence, the south polar region of the moon - a 1,500 - mile - wide depression known as the Aitken Basin - is where the first permanent lunar base is most likely to be built.

How exactly did identical marine species come to inhabit both the north and south polar regions?

At the south polar region, where about 100 saltwater geysers erupt from the surface, the ocean is likely deeper and the crust thinner.

This new color - coded photo mosaic of Mercury's south polar region, presented here today at a joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society, shows these «freezer» areas as dark blotches.

These effects may not only lead to stronger warming at the north of our planet, but also at the south polar region.

Geysers of vapor — a couple of hundred kilometers tall and possibly erupting at supersonic speeds — occasionally spew from the south polar regions of Europa, one of Jupiter's ice - covered moons, a new study suggests.

In our orbit in the earth - moon rotating frame, we are within view of the south polar region 96 percent of the time.

Previous analysis of Cassini data suggested the presence of a lens - shaped body of water, or sea, underlying the moon's south polar region.

However, gravity data collected during the spacecraft's several close passes over the south polar region lent support to the possibility the sea might be global.

False color Cassini image illustrating the jets of fine icy particles erupting from the south polar region of Enceladus.

Also striking is the huge difference in outgoing radiation between the north and south polar regions.

Scientists thought most of Vesta outside the south polar region might be flat like the Moon, yet some of the craters outside that region formed on very steep slopes and have nearly vertical sides, with landslides often occurring in the regolith, the deep layer of crushed rock on the surface.

The small «convective» spots appear mainly in a region from about 55 degrees N to the pole, and were not seen in the south polar region when it was imaged by Keck at similar wavelengths in 2003.

This time, Cassini will pass over the south polar region again, and make its deepest - ever dive through the water vapor plumes.

This view of Enceladus, captured by NASA's Cassini spacecraft, is backlit by the sun and shows the fountain - like sources of the fine spray of material that blasts from the Saturn moon's south polar region.

A smaller lake, Ontario Lacus, with a shrinking shoreline, has been observed in the south polar region.

The second paper, recently published in Geophysical Research Letters, suggests hydrothermal activity as one of two likely sources of methane in the plume of gas and ice particles that erupts from the south polar region of Enceladus.

Cassini first revealed active geological processes on Enceladus in 2005 with evidence of an icy spray issuing from the moon's south polar region and higher - than - expected temperatures in the icy surface there.

When Cassini first encountered Titan, it observed a large outburst of methane cumulus clouds over Titan's south polar region.

The most conspicuous feature on Vesta is a giant impact crater located around its south polar region, which is 310 miles (499 kilometers) across and nearly 12 miles (19 km) deep around a «bull's - eye» central peak rising 11 miles (or 18 km) above the exposed mantle rock of the crater floor — that is characteristic of rock rebounding from an impact.

On March 9, 2006, scientists also announced that ice crystals found erupting from the south polar region of Saturn's inner moon Enceladus appear to originate in tidally heated and pressurized water reservoirs tens of meters under the moon's surface, and speculated that the crystals can be sampled for evidence of life (more).

IMO, the only areas left that could really change this estimate would be the north and south polar regions.

The discovery of the so - called «ozone hole» over the south polar region in 1986 was so disturbing, in fact, that 197 nations agreed to ban CFC's, widely used in air conditioners and refrigerators, just a year later, in an agreement known as the Montreal Protocol.

However in the south polar region there was no larger increase than the tropics, If anything the south polar region increased less in temperature than the tropics with Antarctica actually decreasing in temperature.

If the increase in temperature in the north polar region is taken as a verification of the theory and global warming model then the record in the south polar regions is a denial of the validity of the theory and model.

I am using the UAH satellite data for this analysis as the RSS does not provide data for the south polar region.

If you don't, you ask inane questions like how CO2 molecules know they are in the North or South polar regions.

But West Antarctica is warming far more swiftly than the rest of the south polar region.