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Thursday, June 01, 2017
Greenland Ice Loss 2002-2016 | NASA
The mass of the Greenland ice sheet has rapidly declined in the last several years due to surface melting and iceberg calving. Research based on observations from the NASA/German Aerospace Center’s twin Gravity Recovery and Climate Experiment (GRACE) satellites indicates that between 2002 and 2016, Greenland shed approximately 280 gigatons of ice per year, causing global sea level to rise by 0.03 inches (0.8 millimeters) per year. These images, created from GRACE data, show changes in Greenland ice mass since 2002. Orange and red shades indicate areas that lost ice mass, while light blue shades indicate areas that gained ice mass. White indicates areas where there has been very little or no change in ice mass since 2002. In general, higher-elevation areas near the center of Greenland experienced little to no change, while lower-elevation and coastal areas experienced up to 13.1 feet (4 meters) of ice mass loss (expressed in equivalent-water-height; dark red) over a 14-year period. The largest mass decreases of up to 11.8 inches (30 centimeters (equivalent-water-height) per year occurred along the West Greenland coast. The average flow lines (grey; created from satellite radar interferometry) of Greenland’s ice converge into the locations of prominent outlet glaciers, and coincide with areas of high mass loss.
Credit: NASA
Release Date: May 31, 2017
#NASA #Earth #Science #Space #Satellite #Greenland #Ice #Melting #Glaciers #Climate #ClimateChange #Environment #Grønland #JPL #Goddard #GSFC #UnitedStates #STEM #Education #HD #Video
Why is Greenland Melting? A 360˚ Experience | PBS Nova
June 1, 2017: Greenland's glaciers are hiding a secret: They're melting faster than expected. Step into the disappearing icy landscape in this 360° video from FRONTLINE, NOVA l PBS, and Emblematic Group with support from the Knight Foundation.
Credit: PBS Nova
Duration: 5 minutes, 29 seconds
Release Date: June 1, 2017
#NASA #Earth #Science #Space #Satellite #Greenland #Ice #Melting #Glaciers #Climate #ClimateChange #Environment #Grønland #JPL #Goddard #GSFC #UnitedStates #STEM #Education #HD #Video #360Video
Planet Aurora
Image Credit: Scott Kelly, Expedition 44, NASA/JSC
Release Date: May 13, 2017
#NASA #Space #ISS #Earth #Aurora #Planet #Spacecraft #Technology #Robotics #Canadarm2 #Canada #CSA #Engineering #Astronaut #ScottKelly #Photography #Art #Science #USA #UnitedStates #Expedition44 #YearInSpace #JourneyToMars #OrbitalPerspective #OverviewEffect #STEM #Education #APoD
Wednesday, May 31, 2017
The Sun: Two Prominences Unraveling | NASA SDO
At the edge of the sun, a large prominence and a small prominence began to shift, turn and fall apart in less than one day (May 8-9, 2017). Prominences are notoriously unstable. Competing magnetic forces pulled the plasma back and forth until they dissipated. This image was taken in a wavelength of extreme ultraviolet light.
Credit: Solar Dynamics Observatory, NASA
Image Date: May 9, 2017
Release Date: May 12, 2017
#NASA #Astronomy #Science #Space #SpaceWeather #Sun #Solar #Prominence #Plasma #MagneticFields #Ultraviolet #Astrophysics #Spacecraft #SDO #Goddard #GSFC #Greenbelt #Maryland #UnitedStates #STEM #Education
Milestone Spacewalk on Space Station | This Week @NASA
Also, Exploration Mission-1 Announcement, Future Space Station Crew Previews Mission, Humans to Mars Summit 2017, James Webb Space Telescope at JSC, and Martian New Year in Mars, PA!
Credit: NASA
Duration: 4 minutes, 28 seconds
Release Date: May 12, 2017
#NASA #ISS #Earth #Science #SLS #Rocket #EM1 #Orion #Spacecraft #Robotics #Astronauts #EVA #Spacewalk #PeggyWhitson #Commander #JackFischer #ThomasPesquet #ESA #Human #Spaceflight #Expedition51 #Mars #JourneyToMars #UnitedStates #STEM #Education #HD #Video
NASA's Space to Ground: Everything is Awesome!
Credit: NASA's Johnson Space Center
Duration: 2 minutes, 50 seconds
Release Date: May 12, 2017
#NASA #ESA #ISS #Earth #Science #Robotics #Dextre #Food #Meals #Astronauts #EVA #Spacewalk #PeggyWhitson #Commander #JackFischer #ThomasPesquet #Proxima #France #CNES #ESA #Human #Spaceflight #Expedition51 #Houston #Texas #UnitedStates #JSC #STEM #Education #HD #Video
Iceland at Night | Suomi NPP Satellite
May 12, 2017: By day, satellite images of Iceland highlight the nation’s diverse landscape. Sunlight illuminates the smooth, rounded ice caps and the seasonal snow of the interior areas. Snow-capped ridges mark the glacier-carved coastlines.
But the view at night offers an entirely different perspective of the Nordic island nation. This image shows Iceland’s nighttime lights as observed in 2016; it comes from a new global composite map that provides the clearest-yet views of the patterns of human settlements across Earth. The composite was built by selecting the best cloud-free images acquired with the day/night band of the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite.
Images of night lights are useful for showing how and where humans populate the planet. In this image, you can see how the Icelandic landscape influences where people live. The island’s interior—the so-called central highlands—is rugged. Compared to coastal areas, the interior is high in elevation, sparsely vegetated, and cold. It is sprinkled with volcanoes, icecaps, and hot springs. People visit the area, but you won’t see many signs of permanent settlement.
In contrast, areas closer to the island’s perimeter are well lit. Reykjavík stands out as the large, bright area in the southwest. That makes sense, given that it is the country’s capital and largest city. In 2014, the city’s population was 184,000 people—almost half of Iceland’s population. The other half live in smaller urban areas located primarily near the coast.
The coast is not only more hospitable; it provides access to ocean resources, particularly fishing. Some of those fishing villages are found on Snæfellsnes, a peninsula in western Iceland that appears well lit. Lights along the peninsula might also be farms and summer homes, and they appear in relatively high density because of the narrow coastal area.
Lights elsewhere could have their roots in agriculture. Towns primarily in the south, such as Flúðir and Hveragerði, make use of geothermal energy to heat greenhouses for growing vegetables and flowers. Artificial lights in these greenhouses can stay on well into the night, particularly during the dark winter months.
Image Credit: NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA GSFC
Caption Credit: Kathryn Hansen with image interpretation provided by Throstur Thorsteinsson, University of Iceland
Instrument(s): Suomi NPP - VIIRS
Release Date: May 12, 2017
#NASA #Earth #Science #Satellite #Space #Reykjavík #Iceland #Island #Night #SuomiNPP #VIIRS #EarthObservation #RemoteSensing #STEM #Education
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
+NASA Marshall
+Orbital ATK
+National Science Teachers Association
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #OrbitalATK #Toney #Alabama #UnitedStates #Photography
Friday, May 19, 2017
2017 NASA Student Launch
Student Rockets Blast Off During Annual 2017 #StudentLaunch Challenge
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #Toney #Alabama #UnitedStates #Photography
Fifty middle and high school, college and university teams from 23 states launched their student-built rockets at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center.
Credit: NASA/MSFC
Image Date: April 8, 2017
#NASA #Science #Space #Technology #Engineering #Rockets #Students #Teachers #STEM #Education #StudentLaunch #Challenge #MSFC #Marshall #Toney #Alabama #UnitedStates #Photography
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