MODIS website informs a broad audience about MODIS data and products. The MODIS instrument is operating on both the Terra and Aqua spacecraft. It has a viewing swath width of 2,330 km and views the ...

ASTER data are are available from several archives: Earthdata Search – Search the entire ASTER data archive. ALL products are available to all users at no cost: ASTER L1A, L1B, L1T; Higher Level Data ...

Terra by the numbers – Click on image to enlarge. Terra’s different science focus areas. Each circle size represents the relative number of data products in each of these science areas. – Click on ...

Climate is the sum of weather over time, the average temperatures and rainfall of a place. Earth’s climate—how hot our planet is on average—is set by the Sun. Anything that changes the amount of solar ...

Presentations Terra at Ten Presentations give by Terra principal investigators and engineers during Terra’s 10th anniversary celebration in May 2011. Web Resources NASA’s Earth Observations (NEO) NEO ...

Carbon is a fundamental part of the Earth system. It is one of the primary building blocks of all organic matter on Earth and a key element in setting Earth’s temperature. Carbon moves from the ...

More than 150 rivers and streams feed the Chesapeake Bay watershed. Over the last several decades, more and more land in the watershed has been converted from forest to farms, cities, and residential ...

Part II. Track Pollution from Space To improve air quality, it is important to know what contributes to polluting the air. Haze comes from a variety of sources. Your skies may be hazy from local ...

The Earth’s surface plays a critical role in the Earth system by interacting with the ocean and the atmosphere. To understand the Earth system, scientists must observe how the Earth’s surface changes ...

Torrential rain brought deadly floods to southern Brazil and Paraguay in June 2014. The top image, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite on ...

Russia’s Kamchatka Peninsula has the highest concentration of active volcanoes on Earth. Separated by only 180 kilometers (110 miles), Shiveluch, Bezymianny, Tolbachik, and Kizimen were all erupting ...

Contents of this section contain information useful to data users when called on to create presentations. Information about data sets, supporting documents, presentations, and resources with rich ...