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News articles about "NASA"

NASA to study how pollution, storms and climate mix

NASA
NASA aircraft will take to the skies over the southern United States this summer to investigate how air pollution and natural emissions which are pushed high into the atmosphere by large storms affect atmospheric composition ... - Read More

Origins of life: In early Earth, iron helped RNA catalyze electron transfer

Earth, earth
A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth The study shows that RNA is capable of catalyzing electron transfer under ... - Read More

In Early Earth, Iron Helped RNA Catalyze Electron Transfer

Released 5 14 2013 9 50 PM EDTEmbargo expired 5 19 2013 1 00 PM EDTSource Newsroom Georgia Institute of Technology Research Communications more news from this source May 19 2013 A new study shows ... - Read More

Team wins Cubesat berth to gather Earth energy imbalance measurements

Earth, earth
A team of scientists has won a berth on a tiny satellite to explore one of NASA's most important frontiers in climate studies the imbalance in Earth's energy budget and the extent to which fast ... - Read More

Fall warming on Antarctic Peninsula driven by tropically forced circulation

sea
The eastern side of the Antarctic Peninsula a finger of the southern polar continent that juts toward South America has experienced summer warming of perhaps a half degree per decade a greater rate than possibly ... - Read More

Dust in the clouds: Cirrus clouds form around mineral dust and metallic particles

Mineral
At any given time cirrus clouds the thin wisps of vapor that trail across the sky cover nearly one third of the globe These clouds coalesce in the upper layers of the troposphere often more ... - Read More

Researchers find a way to make steel without greenhouse-gas emissions

Anyone who has seen pictures of the giant red hot cauldrons in which steel is made fed by vast amounts of carbon and belching flame and smoke would not be surprised to learn that steelmaking ... - Read More

How carbon moves within planet plays big role in planetary atmosphere formation

Carbon, Atmosphere, Atmosphere, carbon
A new study in Proceedings of the National Academy of Sciences suggests that the way carbon moves from within a planet to the surface plays a big role in the evolution of a planet's atmosphere ... - Read More

Carbon's role in planetary atmosphere formation

Carbon, Atmosphere, Atmosphere, carbon
A new study in Proceedings of the National Academy of Sciences suggests that the way carbon moves from within a planet to the surface plays a big role in the evolution of a planet's atmosphere ... - Read More

NASA flies radar south on wide-ranging expedition

NASA
A versatile NASA airborne imaging radar system is showcasing its broad scientific prowess for studying our home planet during a month long expedition over the Americas Share This See Also Earth Science Geology Global Warming ... - Read More

A comet, not an asteroid, may have killed the dinosaurs, experts propose

Earth, earth
In a geological moment about 66 million years ago something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth Only those dinosaurs related to birds appear to ... - Read More

NASA's SORCE satellite marks a decade in the sun

NASA
NASA's Solar Radiation and Climate Experiment SORCE satellite has been providing data on the sun's irradiance for 10 years SORCE measures electromagnetic radiation produced by the sun and the power per unit area of that ... - Read More

Model Allows Engineers to Test Fuel Systems on Computers

Released 3 14 2013 11 00 AM EDTEmbargo expired 3 18 2013 9 00 AM EDTSource Newsroom University of Alabama Huntsville more news from this source Mar 18 2013 Engineers will be able to design ... - Read More

Increase in heavy rainfalls over past 60 years in upper Midwest, US

Water, Water, Water
Heavy rains have become more frequent in the upper Midwest over the past 60 years according to a study from the University of Iowa The trend appears to hold true even with the current drought ... - Read More

Causes of 2011 Arctic ozone hole determined

Ozone, Ozone
A combination of extreme cold temperatures human made chemicals and a stagnant atmosphere were behind what became known as the Arctic ozone hole of 2011 a new NASA study finds Share This See Also Ozone ... - Read More

Amplified greenhouse effect shifts north's growing seasons

NASA
Vegetation growth at Earth's northern latitudes increasingly resembles lusher latitudes to the south according to a NASA funded study based on a 30 year record of land surface and newly improved satellite data sets Share ... - Read More

Working at the extreme edge of cosmic ice

Ice
Behind locked doors in a lab built like a bomb shelter Perry Gerakines makes something ordinary yet truly alien ice Share This See Also Nature of Water Spintronics Chemistry Carbon 14 Ice shelf Gas giant ... - Read More

Volcanic aerosols, not pollutants, tamped down recent Earth warming

Pollutants
A team led by the University of Colorado Boulder looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain ... - Read More

What lies beneath: NASA Antarctic sub goes subglacial

NASA
When researcher Alberto Behar from NASA's Jet Propulsion Laboratory in Pasadena Calif joined an international Antarctic expedition last month on a trek to investigate a subglacial lake he brought with him a unique instrument designed ... - Read More

NASA on course to launch Orion flight test

NASA
The first spacecraft NASA has designed to fly astronauts beyond Earth orbit since the Apollo era is well on its way to making a flight test next year agency officials said Wednesday The mission is ... - Read More
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