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Stories about: atmosphere |
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Mark Swaim, an expert at the NASA Jet Propulsion Laboratory (JPL), in Pasadena, California, is the principal investigator of the newly proposed Fast INfrared Exoplanet Spectroscopy Survey Explorer (FINESSE) spacecraft. The satellite's mission will be to analyze exoplanetary atmospheres.
This is the first missi... |
21 May 2012
03:30 GMT |
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For some time, climatologists have counted clouds as part of the natural phenomena and processes that contribute to cooling the planet. Now, a computational study demonstrates that summer thunderstorm clouds actually contribute to warming the atmosphere, especially in polluted environments.
In a paper published in ... |
19 May 2012
05:57 GMT |
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University of Leeds investigators announce the beginning of the Cosmic Dust in the Terrestrial Atmosphere (CODITA) project, whose main role is to determine the amount of dust particles that make their way into Earth's atmosphere daily and annually. These figures are currently unknown.
Estimates range from 5 to... |
18 May 2012
11:03 GMT |
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The hydrocarbon methane is known to be extremely sensitive to chemical reactions in the atmosphere. Therefore, explaining how the gas manages to endure above Mars without any apparent source to replenish it has proven to be difficult for experts. They now plan a new study to solve this mystery.
The investigation wil... |
16 May 2012
05:44 GMT |
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In a proof-of-concept investigation, scientists in the United States were able to demonstrate the efficiency of a new method for detecting changes in atmospheric carbon dioxide concentrations.
This ability could come in very handy if countries ever decide to address global warming and climate change via an internati... |
15 May 2012
03:30 GMT |
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Mission controllers at the NASA Jet Propulsion Laboratory say that the Mars Reconnaissance Orbiter has revealed surprising dune motion patterns on the Red Planet. Sand masses were found to move in similar patterns to those on Earth, even though the atmospheres surrounding the two planets are very different from one a... |
10 May 2012
03:29 GMT |
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A team of experts has recently embarked on a very complex study dealing with the Red Planet. What they want to discover is whether or not the planet's atmospheric density was larger in its distant past than it is now. At this point, its atmospheric density is just 1 percent that of Earth's.
Planetary scie... |
4 May 2012
08:03 GMT |
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After wreaking havoc on North American winters for two consecutive years, La Niña has finally subsided in tropical regions of the Pacific Ocean. Throughout this summer, climate experts expect that neutral conditions will endure in these areas, before El Niño sets in. The latter is La Niña'... |
4 May 2012
03:57 GMT |
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According to the conclusions of a new scientific study conducted in Denmark, it would appear that the development of life here on Earth got a boon from supernova explosions that occurred in the vicinity of the solar system.
Without these events, it is possible that life wouldn't have developed here, or that it... |
30 April 2012
03:38 GMT |
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Since it boasts one of the most complex chemistries in the solar system, the Saturnine moon Titan naturally captured the undivided attention of astronomers. Now, experts want to know how long it's been since the celestial body started producing methane. Though similar to our own planet in many respects, the Sa... |
25 April 2012
16:01 GMT |
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The conclusions of a new scientific study indicate that our planet's atmosphere oscillated between a hydrocarbon-free and a hydrocarbon-rich state some 2.5 billion years ago, before the Great Oxygenation Event occurred.
This phenomenon saw the release of vast amounts of oxygen in the atmosphere, and ultimately... |
21 March 2012
05:57 GMT |
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Between June 5-6, 2012, the planet Venus will transit the Sun, providing astronomers with an amazing opportunity to study multiple aspects of its atmosphere, as well as other properties. This is the last time such a transit will occur during this century.
The next two instances when Venus passes directly between th... |
5 March 2012
14:21 GMT |
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According to the conclusions of a new scientific investigation, it would appear that Arctic sea ice decline is contributing to depleting the amounts of ozone present at ground level. The same phenomenon also contributes to promoting the release of more bromine in the air.
That is a very dangerous chemical that can l... |
2 March 2012
02:24 GMT |
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Officials from the US National Oceanic and Atmospheric Administration (NOAA) announce that the Ozone Mapper Profiler Suite (OMPS) instrument aboard the Suomi NPP satellite has been successfully turned on.
The spacecraft launched to orbit on October 28, 2011, aboard a Delta II delivery system, from the Space Launch ... |
24 February 2012
03:27 GMT |
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Scientists based at the University of California in Irvine (UCI) say that gas particles in the atmosphere tend to get sucked up by smog particles, and then remain trapped there for prolonged periods of time.
One of the most interesting implications of this research is that it may provide an accurate, albeit unexpec... |
22 February 2012
05:36 GMT |
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Australian researchers have discovered in a new study that Earth's cloud cover is dropping closer to the surface of the planet. It has been doing so for at least 10 years, and is now about one percent closer than it was a decade ago. The conclusions belong to a new study based on satellite records.
Though this... |
22 February 2012
04:37 GMT |
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Trying to understand how the atmosphere, its clouds, and the oceans underneath behave without taking into account the fact that the planet is spinning is a futile exercise. In order to help students and laymen alike, experts at the University of California in Los Angeles (UCLA) Department of Earth and Space Sciences ... |
1 February 2012
11:08 GMT |
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In a series of previous studies, researchers proposed the existence of an atmosphere layer containing cold, electrically-charged particles, way above the planetary surface. The latest investigation into this issue reveals that to be true, as scientists discover cold plasma layer at the top of the atmosphere.
Theore... |
27 January 2012
09:14 GMT |
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Astronomers were recently able to determine in a new investigation that the atmosphere surrounding the Saturnine moon Titan has multiple layers, just like our planet's. This is a remarkable discovery, since it represents the first time a layered atmosphere is discovered around another celestial body.
With this ... |
16 January 2012
08:56 GMT |
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An international collaboration of researchers has recently established that atmospheric particles called Criegee biradicals (CBR) could potentially be used to cool down the planet so significantly, that the phenomenon would mitigate for the effects of global warming and climate change.
What makes these particles so... |
13 January 2012
08:25 GMT |
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Data collected back in 2007, near Murmansk, in northwestern Russia, indicate that the emergence of oxygen in Earth's atmosphere did not occur in a single bound, but rather in small steps characterized by numerous starts and stops.
This long series of false beginnings makes a lot more sense when fitted to avail... |
2 December 2011
07:34 GMT |
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Hydrogen-rich atmospheres may be the key to having liquid water on the surface of a rocky exoplanet, even if the body is located up to 15 astronomical units from its parent star. A new study proposes that greenhouse effects can easily warm such a planet up to the point where it becomes habitable.
Having liquid wate... |
30 November 2011
04:58 GMT |
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The European Space Agency (ESA) recently studied the performances of a new type of laser technology in the Spanish Canary Islands. The study involved firing pulses of green light between two of the islands in the archipelago, and was ultimately determined to be a huge success.
The laser technology is being develope... |
30 November 2011
02:52 GMT |
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New data from US satellites are revealing the true extent of the natural phenomenon called Schumann resonance. Until now, experts thought that it was confined to the atmosphere, but the new data indicate that it can also be detected from orbit.
The resonance is a metaphoric atmospheric heartbeat, scientists explain... |
29 November 2011
03:23 GMT |
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Every bride-to-be dreams about her over-the-top wedding, and the dress she is going to wear on that special day has to be one of a kind. For so many reasons, a second hand option shouldn't be rapidly dismissed by future wives who are keen on embracing earth-friendly values. One more thing: it's not actually... |
22 November 2011
02:58 GMT |
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New data sent back by the NASA Mars Reconnaissance Orbiter (MRO) spacecraft indicate that Martian sand dunes are constantly shifting their positions, most likely under the influence of strong winds and a restless atmosphere.
This phenomenon is not isolated, researchers say, since instances of it occurring have been... |
18 November 2011
05:00 GMT |
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Officials at NASA say that the National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) satellite has already produced its first measurements of water vapors in Earth's lower atmosphere, just two weeks after launch.
The spacecraft took off on October 28 from the Vand... |
11 November 2011
03:53 GMT |
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Beijing's inhabitants are worried about the effects air pollution might have both upon the enviroment and upon their health. In order to calm the spirits, officials decided to allow 40 individuals to tour the city's monitoring center, once a week.
As in any other developed country, a certain level of comf... |
10 November 2011
07:52 GMT |
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A collaboration of researchers in the United States recently carried out a new study on how microbes in permanently-frozen soils, called permafrost, react to a warming world. This is important because permafrost retains vast amounts of greenhouse gases.
Spanning from the North Pole to the Arctic Ocean, these soils ... |
9 November 2011
06:08 GMT |
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A study led by experts at NASA determined that decades in which the North Atlantic Ocean is warmer than usual tend to lead to the creation of slow-moving winter weather systems. These atmospheric patterns are renowned for producing massive amounts of snowfall. Such systems can also form when Atlantic temperatures are... |
4 November 2011
12:06 GMT |
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Despite the fact that the production of chlorofluorocarbons has been forbidden for decades via an international agreement, the chemicals continue to damage Earth's ozone layer. This was made apparent again this year, as the Antarctic ozone layer hole reached its maximum annual extent.
The hole becomes most vis... |
21 October 2011
03:52 GMT |
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Recent studies conducted on the small object called Snow White revealed that the small world may still retain some faint traces of a former atmosphere. Some astronomers classify this world as a dwarf planet, although the debate as to what exactly this object is is still ongoing.
Past investigations conducted on the... |
20 October 2011
10:53 GMT |
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One of the things that made astrobiologists so interested in Saturn's largest moon is the fact that it shares many similarities to our own planet, in terms of atmospheres, atmospheric chemical cycles and so on. However, how Titan got to its current configuration is still a matter of debate. At this point, scient... |
19 October 2011
08:48 GMT |
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The 2011 Tōhoku earthquake that struck Japan on March 11 first affected the ionosphere, the highest layer of Earth's atmosphere, a new study found. The findings are very important because they could be used to create better forecasting tools against tremors.
Interestingly, researchers also determined that the... |
10 October 2011
05:01 GMT |
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Astronomers were recently able to determine that a day on the gas giant Neptune lasts for 15 hours, 57 minutes and 59 seconds. Scientists have been trying to figure this out for many years, but thus far their studies have been stifled by lack of accurate data.
In order to arrive at the new conclusions, a group of... |
8 October 2011
06:13 GMT |
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A set of newly-released images showing the surface of Saturn's largest moon, Titan, in color indicates that the celestial body may be a lot more similar to Earth than first believed. Granted, its surface is covered by a thick, yellow, unbreathable atmosphere, but many similarities still remain.
This image was... |
6 October 2011
15:01 GMT |
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Data sent back by the European Space Agency's (ESA) Venus Express orbiter have revealed that our neighboring planet also features an ozone layer, high above its surface. The existence of such a layer has never even been considered before.
Scientists expect that more in-depth studies of the atmosphere surroun... |
6 October 2011
08:51 GMT |
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In a paper published in the September 14 issue of the esteemed journal Geophysical Research Letters, investigators at the National Central University in Taiwan explained how the shadow the Moon casts on Earth produces atmospheric waves that travel at high speeds above the planet.
The NCU investigators determined ... |
4 October 2011
17:01 GMT |
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About 18,000 years ago, the world was at the peak of the last glaciation, or Ice Age. Over the next thousands of years, massive amounts of carbon dioxide appeared in Earth's atmosphere, and researchers have been arguing that the deep ocean was the source. However, a new study shows this to be false.
The issue... |
4 October 2011
15:01 GMT |
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According to the results of a new scientific study, it would appear that the atmosphere surrounding the Red Planet may contain 100 times more water than originally calculated. The finding has considerable implications for climate models seeking to explain how Mars evolved over time.
The discovery could also lead t... |
30 September 2011
03:49 GMT |
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The Greenbelt, Maryland-based NASA Goddard Space Flight Center (GSFC) recently awarded the highest award it can bestow in space sciences – the 46th Annual John C. Lindsay Memorial Award – to planetary scientist Dr. F. Michael Flasar.
He received the award for the incredible contributions he and his tea... |
29 September 2011
03:05 GMT |
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An international collaboration of experts, featuring scientists from the American space agency, recently managed to shed new light on the intricate phenomena taking place in the atmosphere high above the surface of Venus. Researchers were apparently wrong to think of the planet as being really boring.
Thus far, p... |
28 September 2011
04:36 GMT |
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Several European countries should expect to see a relatively sharp increase in the number of global warming-related deaths over the next six decades or so, researchers behind a new study said today.
During a presentation made on September 27 at the European Respiratory Society's (ERS) annual congress, in Ams... |
27 September 2011
10:57 GMT |
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Experts investigating Titan, the largest moon orbiting Saturn, recently discovered a white arrow on the object's surface. About the size of Texas, this structure went unexplained for quite some time. Now, scientists at the University of California in Los Angeles propose an explanation for its existence.The UCLA ... |
16 August 2011
04:42 GMT |
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According to the conclusions of a new scientific study, it would appear that the March 11 Tohoku Earthquake that struck Japan also had a tremendous impact on an upper layer of the planet atmosphere, called the ionosphere. Experts say that they did not expect to find such an effect.The study comes on the heels of anot... |
11 August 2011
05:41 GMT |
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A group of experts working in Atlanta, Georgia, are currently working on developing a comprehensive, highly-detailed model of the atmosphere surrounding the gas giant Jupiter. This study could reveal more details about how the planet – and indeed the solar system – formed. The model that scientists hope t... |
10 August 2011
10:46 GMT |
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Scientists with the US Geological Survey (USGS) have calculated that leaves falling off trees in the autumn transfer as much mercury from the atmosphere to the environment as precipitations do.The work was focused on surveying the quantities of hazardous mercury that makes its way into the environment. According to r... |
3 August 2011
03:13 GMT |
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New studies appear to suggest that either all or part of our planet's atmosphere did not originate within the Earth – as studies suggest – but was rather brought here by space impactors such as comets and asteroids. A new research proposes a little tweak to these ideas. University of Manchester inves... |
1 August 2011
05:50 GMT |
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On April 27, 2011, a series of tornadoes hit the state of Alabama, and other states in the southeastern parts of the United States, with tremendous force, producing numerous casualties and enormous damages. Now, a team of experts is embarking on an expedition to understand why that happened. University of Alabama in ... |
12 July 2011
07:53 GMT |
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Encouraged by their success in finding hundreds of extrasolar planets, astronomers are now turning their eyes on identifying several other features on these worlds, which may be indicative that they resemble Earth. Volcanoes are now one of them, experts say.While analyzing our own solar system, experts identified tra... |
6 June 2011
05:30 GMT |
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