News tagged with polar cap


A chunk of ice that started to break away from the Antarctic Wilkins Ice Shelf in 2008

Ghost alps of Antarctica are glimpsed after 14 million years

Space & Earth / Earth Sciences

created Jun 03, 2009 | popularity 3.6 / 5 (18) | comments 2

Millions of years ago, rivers ran in Antarctica through craggy mountain valleys that were strangely similar to the European Alps of today, Chinese and British scientists reported on Wednesday.


Mars polar cap mystery solved

Mars polar cap mystery solved

Space & Earth / Space Exploration

created Sep 22, 2008 | popularity 4.5 / 5 (33) | comments 0

(PhysOrg.com) -- Scientists are now able to better explain why Mars’s residual southern ice cap is misplaced, thanks to data from ESA’s Mars Express spacecraft - the martian weather system is to blame. And ...





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Climate talks end with eye on next year (AP)

Climate talks end with eye on next year

Space & Earth / Environment

created 16 hours ago | popularity 1 / 5 (3) | comments 2

(AP) -- A historic U.N. climate conference ended Saturday with only a nonbinding "Copenhagen Accord" to show for two weeks of debate and frustration. It was a deal short on concrete steps against global warming, ...


Light-Driven Nanorod Could Roll on Water

Light-Driven Nanorod Could Roll on Water

Nanotechnology / Nanophysics

created Dec 18, 2009 | popularity 4.4 / 5 (7) | comments 1

(PhysOrg.com) -- In a recent study, researchers have examined the possibility of rolling a nanorod on the surface of water. On the macroscale, perhaps the closest analogy might be the sport of logrolling, ...


Colliding auroras produce an explosion of light

Colliding auroras produce an explosion of light

Space & Earth / Space Exploration

created Dec 17, 2009 | popularity 4.8 / 5 (8) | comments 0

(PhysOrg.com) -- A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, ...


NASA, Google offer more precise emissions tracking (AP)

NASA, Google offer more precise emissions tracking

Space & Earth / Environment

created Dec 17, 2009 | popularity 1 / 5 (1) | comments 0

(AP) -- The question is a potential deal-killer: If nations ever agree to slash greenhouse gas emissions, how will the world know if they live up to their pledges?


Mars Reconnaissance Orbiter

NASA's Mars Reconnaissance Orbiter Resumes Observations

Space & Earth / Space Exploration

created Dec 16, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- Researchers are receiving new science data from NASA's Mars Reconnaissance Orbiter after the spacecraft's six science instruments resumed observations today.


Arctic ice

Study: Earth's polar ice sheets vulnerable to even moderate global warming

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 2.7 / 5 (39) | comments 24

A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approa ...


Lunar Reconnaissance Orbiter

NASA unveils latest results from lunar mission

Space & Earth / Space Exploration

created Dec 15, 2009 | popularity 4.6 / 5 (5) | comments 0

NASA's current mission in orbit around the moon, the Lunar Reconnaissance Orbiter, or LRO, has been providing crucial insights about our nearest celestial neighbor since its launch in June. At a scientific ...


NASA's AIM Satellite and Models are Unlocking the Secrets of Mysterious 'Night-Shining' Clouds (w/ Video)

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- NASA's Aeronomy of Ice in the Mesosphere (AIM) satellite has captured five complete polar seasons of noctilucent (NLC) or "night-shining" clouds with an unprecedented horizontal resolution ...


From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.1 / 5 (7) | comments 1

The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.


Going underground for a climate solution

Going underground for a climate solution

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 2 / 5 (4) | comments 3

(PhysOrg.com) -- Hoping to help fix the Earth's atmosphere, Catherine Peters recently found herself 4,100 feet underground.



List of search results for polar cap