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 heat to …

Apr 17, 2026 · 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 …

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

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

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

2 days ago · 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 …

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.

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.

Apr 17, 2026 · NASA's Earth satellites collect data about nitrogen oxides and other greenhouse gases to study their effects on health, global warming, and weather.

Diagram of the electromagnetic spectrum. Credit: NASA Science. Some waves are absorbed or reflected by atmospheric components, like water vapor and carbon dioxide, while some wavelengths …