Dec 18, 2025 · Earth's atmosphere is a layer of mixed gases approximately 60 miles high that provides the air we breathe, shields us from dangerous levels of ultraviolet light from the sun, and traps …

Jan 2, 2026 · NASA’s Earth-observing satellites help scientists identify atmospheric rivers, which enables studies of climate change, water management, and weather.

NASA's Level-1 and Atmosphere Archive and Distribution System Distributed Active Archive Center primarily provides access to global science data products from MODIS and VIIRS.

3 days ago · Humidity is a measure of water vapor in the atmosphere. There are measures of absolute humidity, which is the grams of water vapor present per cubic meter of air. Specific humidity is the …

Dec 31, 2025 · Air mass/density is a fundamental property of atmosphere. Mixture of gases forming Earth's atmosphere, consisting of nitrogen (∼78%), oxygen (∼21%), water vapor, and other trace …

Jan 2, 2026 · NASA's air quality data allow users to measure pollutants in the atmosphere and track their health and socioeconomic impact on people.

Jan 2, 2026 · Near real-time atmosphere data from the Visible Infrared Imaging Radiometer Suite (VIIRS) are available through NASA's Land, Atmosphere Near real-time Capability for Earth …

NASA collects data on the Sun and its energy to understand how our closest star impacts Earth's energy fields, atmosphere, weather, and human activity.

Jun 27, 2024 · An in-depth look at the development, attributes, and benefits of the Prithvi-weather-climate foundation model.

Jan 8, 2026 · Aerosol optical depth measures the way light is affected by aerosols, tiny particles suspended in the air.