Jan 2, 2026 · NASA's terrain elevation data measure current height and changes in land altitude and are useful for creating digital elevation models.

Feb 11, 2000 · The Shuttle Radar Topography Mission (SRTM) payload flew aboard the Space Shuttle Endeavour during the STS-99 mission. SRTM collected topographic data over nearly 80% of Earth's …

Jan 5, 2025 · The International Space Station (ISS) orbits Earth at an average altitude of approximately 420 kilometers (260 miles) above the Earth's surface. This altitude allows the ISS to remain in a …

Apr 19, 2021 · The satellite altitude over the ocean is the distance from the satellite to the ellipsoid. If you want to deduce the shape of ocean currents and how these change with time (the dynamic …

Jan 2, 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 …

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 …

NASA’s OpenAltimetry is a free and powerful map-based data visualization and discovery tool for exploring surface elevation profiles from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) and …

The stratosphere stops and the mesosphere starts at about 31 miles (50km). The mesosphere stops and the thermosphere starts at 50 - 56 miles (80 - 90 km).

Dec 29, 2025 · NASA's data for digital elevation models (DEM) comes from airborne and space-based sources and are useful for analyzing a majority of Earth's terrain.

NASA's Airborne Vertical Atmospheric Profiling System (AVAPS), also known as the AVAPS Dropsonde System, is a key atmospheric instrument that measures high resolution vertical profiles of ambient …