Sep 17, 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 …

2 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 …

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.

Nov 21, 2025 · NASA’s Earth-observing satellites help scientists identify atmospheric rivers, which enables studies of climate change, water management, and weather.

Nov 21, 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 …

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

Nov 21, 2025 · Temperature can vary greatly at different levels of Earth's atmosphere. Measuring atmospheric temperatures is essential for many forms of scientific work including weather forecasting …

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

Nov 20, 2025 · Lightning is the electrical discharge in the atmosphere that can occur between clouds, ground, or into the air itself. The atmosphere is an insulator between positively and negatively …

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.