GOES-13 is America’s New GOES-EAST Satellite

The Geostationary Operational Environmental Satellite known as GOES-13 became the official GOES-EAST satellite on April 14, 2010. GOES-13 was moved from on-orbit storage and into active duty. It is perched 22,300 miles above the equator to spot potentially life-threatening weather, including tropical storm activity in the Atlantic Ocean and Gulf of Mexico.

"Just in time for the 2010 hurricane season, NOAA will have one of its newest, technologically advanced satellites closely tracking these storms – from when they develop to when they dissipate," said Mary Kicza, assistant administrator of the National Oceanic and Atmospheric Administration's (NOAA) Satellite and Information Service in Silver Spring, Md.

NASA's GOES Project, located at NASA's Goddard Space Flight Center in Greenbelt, Md., procures and manages the development and launch of the GOES series of satellites for NOAA on a cost-reimbursable basis. NASA's GOES Project also creates some of the GOES satellite images and GOES satellite imagery animations. NOAA manages the operational environmental satellite program and establishes requirements, provides all funding and distributes environmental satellite data for the United States.

"It is exciting to think that we are now putting into service the best satellites this country has to offer," said Andre' Dress, GOES N-P NASA Deputy Project Manager, at Goddard. "We are really looking forward to see the increase in performance over the older satellites and the improvements in weather prediction."

There are two GOES satellites that cover weather conditions in the U.S. and they are positioned over the eastern and western U.S. The satellite in the GOES EAST position covers weather on the eastern side of the continental U.S., including the Atlantic Ocean and Gulf of Mexico. The GOES WEST position covers the western half of the U.S. and the Eastern Pacific Ocean.

GOES-13 has now replaced GOES-12, which NOAA is shifting in orbit to provide coverage for South America, as part of the Global Earth Observing System of Systems, or GEOSS. GOES-11 continues to occupy the GOES-WEST position.

Initially known as the GOES-N satellite, it was renamed GOES-13 when it achieved geosynchronous orbit. It was launched from Cape Canaveral Air Force Station, Fla. at 6:11 p.m. EDT on May 24, 2006 aboard a Boeing Delta IV rocket.

GOES-13 is the first of three new NOAA geostationary environmental satellites. The other two in the new series are GOES-14, launched in June 2009 and now in orbital storage, and GOES-15, launched on March 4, 2010, and undergoing tests before completing its "check-out" phase, scheduled to be complete in August 2010.

Since the first GOES launch in 1974, these satellites have supplied the data critical for fast, accurate weather forecasts and warnings. The newer GOES series of satellites help relay distress signals from emergency beacons, and are equipped to monitor solar activity, which can impact billions of dollars worth of government and commercial assets in space and on the ground.

NOAA understands and predicts changes in the Earth’s environment, from the depths of the ocean to the surface of the sun, and conserves and manages our coastal and marine resources.

For more information about NASA's GOES Program visit:
› goespoes.gsfc.nasa.gov

For more information about NOAA, visit:
http://www.noaa.gov

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NASA Celebrates 40th Anniversary of Earth Day

Earth - South America
This color image of the Earth was obtained by Galileo at about 6:10 a.m. Pacific Standard Time on Dec. 11, 1990, when the spacecraft was about 1.3 million miles from the planet during the first of two Earth flybys on its way to Jupiter. › Full image and caption

NASA centers across the nation, including the Jet Propulsion Laboratory in Pasadena, Calif., invite journalists and the public to see and hear about the agency's contributions to exploring and protecting our home planet during this year's Earth Day celebrations. A highlight of this year's activities is a weeklong series of exhibits and talks on the National Mall in Washington.

Begun in 1970, Earth Day is the annual celebration of the environment and a time to assess work still needed to protect the natural resources of our planet. NASA maintains the world's largest contingent of dedicated Earth scientists and engineers in leading and assisting other agencies in preserving the planet's environment.

For a comprehensive listing of NASA's Earth Day activities, visit: http://www.nasa.gov/earthday.

All times are local. NASA center events include:

NASA Headquarters, Washington
Sat., April 17 through Sun., April 25 (11 a.m.-5 p.m. EDT) -- NASA is participating in the Earth Day Celebration on the National Mall organized by the Earth Day Network. The NASA Village, adjacent to the Smithsonian Metro entrance on the Mall, will feature exhibits, presentations and opportunities to meet NASA Earth scientists throughout the week.

Jet Propulsion Laboratory, Pasadena, Calif.
Thurs., April 22 (10-11 a.m. PDT) -- A live, text-based Earth Day Web chat geared toward students in third through eighth grades will feature Mike Gunson, project scientist for NASA's Orbiting Carbon Observatory-2 mission, who will answer questions about how NASA is studying Earth's climate.

Sat. and Sun., April 24-25 (9 a.m.-5 p.m. PDT) -- JPL will join the Earth Day celebration at the Aquarium of the Pacific in Long Beach, Calif. The event will include exhibits and handouts on NASA's Earth science research.

Ames Research Center, Moffett Field, Calif.
Mon., April 19 (1-8 p.m. PDT) -- Reporters and the public are invited to a Green Earth Forum at the Ames Exploration Center to listen to NASA scientists discuss their research and applications projects.

Dryden Flight Research Center, Edwards, Calif.
Wed., April 28 (10 a.m.-2 p.m. PDT) -- Highlights include exhibits and displays from a variety of environmental agencies, public utilities, conservation groups and businesses, and an opportunity to recycle personal electronics.

Glenn Research Center, Cleveland
Sun., April 18 (10 a.m.-5 p.m. EDT) -- Displays at the Cleveland Metroparks Zoo will focus on the use of space and aeronautics technology for sustainable energy on Earth, including the NASA-led Renewable Hydrogen Today project to construct a hydrogen fueling station at the Great Lakes Science Center.

Goddard Space Flight Center, Greenbelt, Md.
Mon., April 19 (1-2 p.m. EDT) -- Goddard's Digital Learning Network will broadcast a performance of "Bella Gaia" (Beautiful Earth), a multimedia journey across our planet that combines views of Earth from space, scientific visualization and an original score from director and composer Kenji Williams. NASA scientist Christopher Shuman also provides a first-hand look at the changing face of Antarctica. The performance will be broadcast and streamed live on NASA TV's Education channel at http://www.nasa.gov/ntv.

Langley Research Center, Hampton, Va.
Thurs., April 22 (4-5 p.m. EDT) -- NASA scientist Thomas Charlock will discuss global climate change with teachers during a live webcast on the Digital Learning Network at: http://dln.nasa.gov/dln.

Sat., April 24 (10 a.m.-3 p.m. EDT) -- Exhibits and speakers will be at the Virginia Zoo's "Party for the Planet: Earth Day at the Zoo" in Norfolk, Va.

Marshall Space Flight Center, Huntsville, Ala.
Thurs., April 22 (10 a.m.-12:30 p.m. CDT) -- Activities on the theme "reducing our carbon footprint" include a talk about energy by an expert from the Tennessee Valley Authority, a tree-planting ceremony and an environmental vendor exposition.

Stennis Space Center near Bay St. Louis, Miss.
Tues., April 27 (8:30 a.m.-2 p.m. CDT) -- An environmental workshop for elementary school teachers, "Helping Our Planet Earth: It's Up to You and Me," includes classroom activities about animal habitats, "green" tips, recycling and other topics.

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NASA Satellite Images Dissect Iceland Volcanic Plume

Iceland's Eyjafjallajökull Volcano
The ongoing eruption of Iceland’s Eyjafjallajokull volcano is seen in this pair of images acquired April 15, 2010, from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on NASA’s Terra spacecraft. At left is a natural-color visible image, while the right image is a composite of MODIS thermal infrared channels. › Full image and caption

On April 15, 2010, the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on NASA’s Terra spacecraft captured these images of the ongoing eruption of Iceland’s Eyjafjallajökull Volcano, which continues to spew ash into the atmosphere and impact air travel worldwide. The left-hand, natural-color visible image shows a brownish, ash-laden plume streaming across the North Atlantic toward the United Kingdom. The right-hand image is a composite of thermal infrared channels. In this rendition, the ash plume appears red, due to the presence of silica-rich material, and the ice-rich clouds appear blue. These MODIS images do not show any evidence of sulfur dioxide clouds, which would appear yellow in the right image. It is likely that any sulfur dioxide signals were obscured by the large amounts of ash. Scientists expect to see a better expression of sulfur dioxide in later images of the plume as the ash settles over time.

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Lunar Polar Craters May Be Electrified

New research from NASA's Lunar Science Institute indicates that the solar wind may be charging certain regions at the lunar poles to hundreds of voltsAs the solar wind flows over natural obstructions on the moon, it may charge polar lunar craters to hundreds of volts, according to new calculations by NASA’s Lunar Science Institute team.

Polar lunar craters are of interest because of resources, including water ice, which exist there. The moon’s orientation to the sun keeps the bottoms of polar craters in permanent shadow, allowing temperatures there to plunge below minus 400 degrees Fahrenheit, cold enough to store volatile material like water for billions of years. "However, our research suggests that, in addition to the wicked cold, explorers and robots at the bottoms of polar lunar craters may have to contend with a complex electrical environment as well, which can affect surface chemistry, static discharge, and dust cling," said William Farrell of NASA’s Goddard Space Flight Center, Greenbelt, Md. Farrell is lead author of a paper on this research published March 24 in the Journal of Geophysical Research. The research is part of the Lunar Science Institute’s Dynamic Response of the Environment at the moon (DREAM) project.

"This important work by Dr. Farrell and his team is further evidence that our view on the moon has changed dramatically in recent years," said Gregory Schmidt, deputy director of the NASA Lunar Science Institute at NASA's Ames Research Center, Moffett Field, Calif. "It has a dynamic and fascinating environment that we are only beginning to understand."

Solar wind inflow into craters can erode the surface, which affects recently discovered water molecules. Static discharge could short out sensitive equipment, while the sticky and extremely abrasive lunar dust could wear out spacesuits and may be hazardous if tracked inside spacecraft and inhaled over long periods.

The solar wind is a thin gas of electrically charged components of atoms -- negatively charged electrons and positively charged ions -- that is constantly blowing from the surface of the sun into space. Since the moon is only slightly tilted compared to the sun, the solar wind flows almost horizontally over the lunar surface at the poles and along the region where day transitions to night, called the terminator.

The researchers created computer simulations to discover what happens when the solar wind flows over the rims of polar craters. They discovered that in some ways, the solar wind behaves like wind on Earth -- flowing into deep polar valleys and crater floors. Unlike wind on Earth, the dual electron-ion composition of the solar wind may create an unusual electric charge on the side of the mountain or crater wall; that is, on the inside of the rim directly below the solar wind flow.

Since electrons are over 1,000 times lighter than ions, the lighter electrons in the solar wind rush into a lunar crater or valley ahead of the heavy ions, creating a negatively charged region inside the crater. The ions eventually catch up, but rain into the crater at consistently lower concentrations than that of the electrons. This imbalance in the crater makes the inside walls and floor acquire a negative electric charge. The calculations reveal that the electron/ion separation effect is most extreme on a crater's leeward edge – along the inside crater wall and at the crater floor nearest the solar wind flow. Along this inner edge, the heavy ions have the greatest difficulty getting to the surface. Compared to the electrons, they act like a tractor-trailer struggling to follow a motorcycle; they just can’t make as sharp a turn over the mountain top as the electrons. "The electrons build up an electron cloud on this leeward edge of the crater wall and floor, which can create an unusually large negative charge of a few hundred Volts relative to the dense solar wind flowing over the top," says Farrell.

The negative charge along this leeward edge won’t build up indefinitely. Eventually, the attraction between the negatively charged region and positive ions in the solar wind will cause some other unusual electric current to flow. The team believes one possible source for this current could be negatively charged dust that is repelled by the negatively charged surface, gets levitated and flows away from this highly charged region. "The Apollo astronauts in the orbiting Command Module saw faint rays on the lunar horizon during sunrise that might have been scattered light from electrically lofted dust," said Farrell. "Additionally, the Apollo 17 mission landed at a site similar to a crater environment – the Taurus-Littrow valley. The Lunar Ejecta and Meteorite Experiment left by the Apollo 17 astronauts detected impacts from dust at terminator crossings where the solar wind is nearly-horizontal flowing, similar to the situation over polar craters."

Next steps for the team include more complex computer models. "We want to develop a fully three-dimensional model to examine the effects of solar wind expansion around the edges of a mountain. We now examine the vertical expansion, but we want to also know what happens horizontally," said Farrell. As early as 2012, NASA will launch the Lunar Atmosphere and Dust Environment Explorer (LADEE) mission that will orbit the moon and could look for the dust flows predicted by the team’s research.

This work was enabled by support from NASA Goddard’s Internal Research and Development program and NASA’s Lunar Science Institute. The team includes researchers from NASA Goddard, the University of California, Berkeley, and the University of Maryland, Baltimore County.

Related Link:

› NASA's LADEE mission

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Own an Island in the Bay

unitedstates-16This island is not located in any ordinary bay, this island, known as Red Rock Island is located in San Francisco Bay, California. It’s rare to find something so  unique, Red Rock Island is a property like no other. Six acres of rocky, Northern California terrain with surreal surroundings, the island has a myriad of possibilities for tourism development, preservation as a natural sanctuary, mineral extraction site, or just as your highly unique personal retreat. Extensive development details and plans are available on request from interested parties.

The island is listed at US $22,000,000, which includes all available mineral rights.

For more information visit Private Islands Online.

Green Cars of the 1970s

When the OPEC oil embargo of 1973 began to cause nationwide gas shortages across the United States, the first-ever Symposium on Low Pollution Power Systems Development seemed rather fortuitously timed.

Yet, as the very name of the symposium stated, its aims were less to reduce oil consump