Image from TERRA
Fri, 14 Sep 2018 01:33 EDT

NASA's MISR instrument captures Hurricane Florence just off the East Coast. Data from two of its nine cameras is combined to show the storm in 3D

Image from TERRA
Mon, 27 Aug 2018 16:33 EDT

For the first time ever, measurements from NASA Earth-observing research satellites are being used to help combat a potential outbreak of life-threatening cholera. Humanitarian teams in Yemen are targeting areas identified by a NASA-supported project that precisely forecasts high-risk regions based on environmental conditions observed from space.

Image from TERRA
Fri, 24 Aug 2018 20:50 EDT

Instruments on NASA's Terra and Aqua satellites were watching as Hurricane Lane -- a category 2 storm as of Friday, Aug. 24 -- made its way toward Hawaii.

Congratulations, ESA on the Launch of Sentinel 3A!

Sentinel-3A, the European Space Agency (ESA) – developed Earth observing satellite successfully launched on February 16, 2016. Sentinel-3A is part of Europe’s Copernicus environment program and carries four sensors: The Sea and Land Surface Temperature Radiometer (SLSTR), the Ocean Land Colour Instrument (OLCI), the Synthetic Aperture Radar (SAR) Altimeter, and the microwave radiometer.

Researchers who use Terra MODIS data are particularly interested in OLCI. OLCI images the earth similarly to MODIS on NASA’s Terra and Aqua satellites. It measures specific ocean color, vegetation and atmospheric measurements at 300m spatial resolution and at 1270 km swath width. Sentinel 3A has a morning crossing time like Terra, making Sentinel-3A the most similar to Terra satellite currently flying. Like MODIS data, Sentinel data will be free of charge and provided worldwide.

Congratulations, ESA!

ESA: Sentinel and the Copernicus program

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