6 days ago · 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 enough …

1 day ago · 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 gases …

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

1 day ago · NASA's air quality data allow users to measure pollutants in the atmosphere and track their health and socioeconomic impact on people.

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 observation (LANCE).

5 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 …

Jan 21, 2026 · 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.

May 9, 2025 · Researchers taught the SatVision Top-of-Atmosphere foundation model to recognize MODIS imagery features.

Mar 19, 2026 · Clouds are made of water and or ice, come in more than a dozen types, and range in altitude from ground level to 280,000 feet high in Earth’s atmosphere. They water our lands, are part …

6 days ago · NASA’s Earth-observing instruments collect data on concentrations of trace gases in the atmosphere, including nitrogen dioxide and other nitrogen oxides. These datasets are used to track …