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noctilucent clouds
2014-04-11 10:36:00

Karen C. Fox, NASA's Goddard Space Flight Center First spotted in 1885, silvery blue clouds sometimes hover in the night sky near the poles, appearing to give off their own glowing light. Known as noctilucent clouds, this phenomenon began to be sighted at lower and lower latitudes -- between the 40th and 50th parallel -- during the 20th century, causing scientists to wonder if the region these clouds inhabit had indeed changed -- information that would tie in with understanding the weather...

NASA Developing Sodium Lidar To Help Examine Eartth’s Mesophere
2013-10-30 18:52:47

Peter Suciu for redOrbit.com – Your Universe Online Future trips to space will be looking closely at sodium. Not as in the salt that astronauts use to flavor their food and can be brought to space in small packets. NASA scientists are instead looking at the sodium – the sixth most abundant element in Earth’s crust – that exists in the mesosphere. While sodium is already used as a coolant in nuclear power plants and can be used as a desiccant to remove humidity, it is also found...

Image 1 - The Surprising Power Of A Solar Storm
2012-03-23 09:52:15

[ Watch the Video ] Solar storm dumps gigawatts into Earth's upper atmosphere A recent flurry of eruptions on the sun did more than spark pretty auroras around the poles.  NASA-funded researchers say the solar storms of March 8th through 10th dumped enough energy in Earth´s upper atmosphere to power every residence in New York City for two years. “This was the biggest dose of heat we´ve received from a solar storm since 2005,” says Martin Mlynczak of...

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2010-11-07 07:54:19

Nine years after beginning its unprecedented look at the gateway between Earth's environment and space, not to mention collecting more data on the upper atmosphere than any other satellite, NASA's Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission has been extended again. Before the launch of TIMED, the mesosphere and lower thermosphere/ionosphere -- which help protect us from harmful solar radiation -- had been one of the least explored and understood regions of our...

2009-12-16 13:44:00

HAMPTON, Va., Dec. 16 /PRNewswire-USNewswire/ -- New measurements from a NASA satellite show a dramatic cooling in the upper atmosphere that correlates with the declining phase of the current solar cycle. For the first time, researchers can show a timely link between the Sun and the climate of Earth's thermosphere, the region above 100 km, an essential step in making accurate predictions of climate change in the high atmosphere. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO)...

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2009-04-08 07:54:58

Engineers have successfully ejected the dust cover from NASA's Kepler telescope, a spaceborne mission soon to begin searching for worlds like Earth. "The cover released and flew away exactly as we designed it to do," said Kepler Project Manager James Fanson of NASA's Jet Propulsion Laboratory, Pasadena, Calif. "This is a critical step toward answering a question that has come down to us across 100 generations of human history -- are there other planets like Earth, or are we alone in the...

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2008-05-02 11:05:00

The Johns Hopkins University Applied Physics Laboratory is sending a spacecraft closer to the sun than any probe has ever gone "“ and what it finds could revolutionize what we know about our star and the solar wind that influences everything in our solar system.NASA has tapped APL to develop the ambitious Solar Probe mission, which will study the streams of charged particles the sun hurls into space from a vantage point within the sun's corona "“ its outer atmosphere "“...

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2006-05-30 14:12:00

First Definitive Example of Similar Solar Rotational Effects on Planetary Atmospheres "Despite differences in the chemical compositions and densities of Earth's and Mars' atmospheres, we now have a definitive example showing that both planets' atmospheres react similarly to varying levels of solar energy impacting them during the sun's 25-day rotation," says Elsayed Talaat, a space scientist with the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md. Talaat's findings,...

2006-05-26 06:18:52

LOS ANGELES (AP) - NASA has extended the mission of a satellite probing the least-studied region of the Earth's atmosphere through 2010. The four-year extension, announced Thursday, allows the $195 million Timed spacecraft to further study how the sun influences the middle and upper atmosphere. That could help scientists better understand how the region affects satellite tracking and communication systems on Earth. "Timed's extended mission will bring insights into atmospheric evolution and...


Word of the Day
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
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