Tag: satellites
Satellite Imagery to Catch Environmental Changes
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How governments are using high-resolution satellite imagery to catch environmental issues before they become health hazards - and EPA fines.
Landsat Tracks Mount St. Helens Recovery
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By observing different wavelengths of light reflected off the surface, Landsat data can identify different types of land cover.
2_25 Earth Imaging Broadcast (Sentinel Launch, Smallsats and More)
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This Earth Imaging-themed GeoSpatial Stream broadcast discusses the recently launched Sentinel-3A Earth-monitoring satellite; a smallsat/cubesat video created by the European Space Agency; NASA UAS/drone news; industry news from Esri, SimActive, Teledyne Optech and Riegl; a funny mapping video from the University of Kentucky's New Maps Plus online education program; and more.
NASA: 2017 Takes Second Place for Hottest Year
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Earth's surface temperatures in 2017 were the second warmest since since 1880, when global estimates first become feasible, NASA scientists found. Global temperatures 2017 were second only to 2016, which still holds t...
EPIC Observations of Ice in Earth’s Atmosphere
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Parked in space a million miles from Earth, the Earth Polychromatic Imaging Camera (EPIC) onboard the Deep Space Climate Observatory (DSCOVR) captures glimmers of reflected sunlight, evidence of ice crystals in the atmosphere.
Super Blue Blood Moon and Lunar Eclipse
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Jan. 31, 2018, brought a lunar trifecta: the super blue blood Moon! Starting at 5:30 a.m. Eastern, NASA TV offered a livestream of the Moon. This full moon is the third in a series of “supermoons,” when the Moon is closer to Earth in its orbit -- known as perigee -- and about 14 percent brighter than usual.
NASA’s James Webb Space Telescope Arrives
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The optical telescope and integrated science instrument module (OTIS) of NASA's James Webb Space Telescope arrived at Northrop Grumman Aerospace Systems in Redondo Beach, California, on Friday, Feb. 2.
Letitia Long (Director, NGA) Keynote at 30th Space Symposium
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Letitia A. Long, Director of the National Geospatial-Intelligence Agency (NGA), delivered an important and powerful keynote address at the 30th Space Symposium in Colorado Springs, Colo., on May 20, 2014. Topics include the future of space programs and the space industry, their roles in intelligence, the changing nature of worldwide threats, and how space-based platforms can help predict new challenges.
Global Mountain Explorer Video Tutorial
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This video contains a narrated introduction to the Global Mountain Explorer (GME), a web-based tool for visualizing and exploring three well known global mountain data layers.
3_31 Remote-Sensing Broadcast (Melting Ice, Deadly Air Pollution, Food Maps and More)
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This GeoSpatial Stream broadcast discusses the devastating flooding throughout Europe and how satellites are helping; the 2015 NOAA satellite budget; a new NASA imager for global precipitation; commercial remote-sensing distributors; Airbus Defense and Space and its involvement with Sentinel-5; satellites observing the formation of black holes; and more.
