News tagged with earth system

Related topics: climate change

NASA survey counts potentially hazardous asteroids

(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Tiny 'spherules' reveal details about Earth's asteroid impacts

(Phys.org) -- Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers ...

Space & Earth / Earth Sciences

created Apr 25, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Maglev track could launch spacecraft into orbit

(PhysOrg.com) -- With the aim to make it easier to launch spacecraft into low Earth orbit (LEO), two researchers have turned to maglev technology to catapult a payload hundreds of miles above the Earth. While ...

Space & Earth / Space Exploration

created Mar 13, 2012 | popularity 4.4 / 5 (58) | comments 37 | with audio podcast report

US Earth observations, science and services are critical to society but are at risk

Earth observations, science, and services (Earth OSS) inform and guide the activities of virtually all economic sectors and innumerable institutions underlying modern civilization, according to a new study by the American ...

Space & Earth / Earth Sciences

created May 22, 2012 | popularity 5 / 5 (1) | comments 0

Voyager set to enter interstellar space

(PhysOrg.com) -- More than 30 years after they left Earth, NASA's twin Voyager probes are now at the edge of the solar system. Not only that, they're still working. And with each passing day they are beaming ...

Space & Earth / Space Exploration

created Apr 29, 2011 | popularity 4.5 / 5 (26) | comments 18 | with audio podcast

NOAA study suggests aerosols might be inhibiting global warming

(PhysOrg.com) -- A new study led by the U.S, National Oceanic and Atmospheric Administration (NOAA) shows that tiny particles that make their way all the way up into the stratosphere may be offsetting a global ...

Space & Earth / Earth Sciences

created Jul 22, 2011 | popularity 4.4 / 5 (17) | comments 28 | with audio podcast report

Mercury's magnetic field -- nipped in the bud

(PhysOrg.com) -- Mercury, the smallest of the eight planets with a diameter of 4900 kilometres and the closest to the Sun, looks more like the Moon than the Earth from the outside. It is the only rocky planet ...

Space & Earth / Space Exploration

created Dec 23, 2011 | popularity 5 / 5 (3) | comments 27 | with audio podcast

Water discovered on second asteroid, may be even more common

Water ice on asteroids may be more common than expected, according to a new study that will be presented today at the world's largest gathering of planetary scientists.

Space & Earth / Space Exploration

created Oct 07, 2010 | popularity 4.7 / 5 (13) | comments 2 | with audio podcast

GPS data reveals more on mega-thrust earthquakes

(PhysOrg.com) -- New GPS data of the 2010 earthquake that devastated parts of Chile and killed over 500 people is revealing new clues about large earthquakes such as the quake in Chile and the magnitude 9.0 ...

Space & Earth / Earth Sciences

created Apr 29, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast report

Can Earth-sized planets survive their star's expansion?

Two Earth-sized planets have been discovered circling a dying star that has passed the red giant stage. Because of their close orbits, the planets must have been engulfed by their star while it swelled up ...

Space & Earth / Astronomy

created Dec 21, 2011 | popularity 4.7 / 5 (12) | comments 18 | with audio podcast

Nasa's new carbon-counting instrument leaves the nest

(Phys.org) -- Its construction now complete, the science instrument that is the heart of NASA's Orbiting Carbon Observatory-2 (OCO-2) spacecraft - NASA's first mission dedicated to studying atmospheric carbon ...

Space & Earth / Earth Sciences

created May 11, 2012 | popularity 5 / 5 (3) | comments 30

Professor: We have a 'moral obligation' to seed universe with life

(PhysOrg.com) -- Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last ...

Space & Earth / Astronomy

created Feb 09, 2010 | popularity 3.1 / 5 (49) | comments 114 | with audio podcast report

Is the Earth a cosmic feather-duster?

Scientists at the University of Leeds are looking to discover how dust particles in the solar system interact with the Earth's atmosphere.

Space & Earth / Earth Sciences

created May 18, 2012 | popularity not rated yet | comments 1

Meteorite holds clues to organic chemistry of the early Earth: study

(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...

Space & Earth / Space Exploration

created Jun 09, 2011 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

Research group proposes first system for assessing the odds of life on other worlds

(PhysOrg.com) -- Within the next few years, the number of planets discovered in orbits around distant stars will likely reach several thousand or more. But even as our list of these newly discovered "exoplanets" ...

Space & Earth / Astronomy

created Nov 21, 2011 | popularity 4.3 / 5 (8) | comments 8 | with audio podcast