News tagged with polar vortex


Ozone Hole

2008 ozone hole larger than last year

Space & Earth / Earth Sciences

created Oct 07, 2008 | popularity 3 / 5 (6) | comments 2

The 2008 ozone hole – a thinning in the ozone layer over Antarctica – is larger both in size and ozone loss than 2007 but is not as large as 2006.





Search results for polar vortex


As shuttle's career nears an end, NASA turns focus to satellites

Space & Earth / Space Exploration

created 19 hours ago | popularity 4.3 / 5 (7) | comments 0

NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But that's not all the agency has planned: There are also launches of three new satellites aimed at better understanding ...


Largest study of PGD children shows embryo biopsy is safe for singleton pregnancies

Medicine & Health / Other

created Dec 22, 2009 | popularity not rated yet | comments 0

The largest and longest running study of children born after preimplantation genetic diagnosis and screening has shown that embryo biopsy does not adversely affect the health of babies born as the result of a subsequent singleton ...


Final launch of Ariane 5 GS completes busy year

Final launch of Ariane 5 GS completes busy year

Space & Earth / Space Exploration

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Last week, an Ariane 5 GS launcher lifted off from Europe’s Spaceport in French Guiana on a journey to place the French military reconnaissance satellite Helios-2B into Sun-synchronous polar ...


Light-Driven Nanorod Could Roll on Water

Light-Driven Nanorod Could Roll on Water

Nanotechnology / Nanophysics

created Dec 18, 2009 | popularity 4 / 5 (9) | 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, ...


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 2.8 / 5 (46) | comments 40

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 ...


Scientists study hummingbirds flight to develop self-propelled surveillance devices

Technology / Engineering

created Dec 16, 2009 | popularity 3.8 / 5 (5) | comments 1

The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.


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 ...



List of search results for polar vortex