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 …

Dec 5, 2025 · NASA's terrain elevation data measure current height and changes in land altitude and are useful for creating digital elevation models.

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 …

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 …

Nov 20, 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 Visible Infrared Imaging Radiometer Suite (VIIRS) collects visible and infrared imagery along with global observations of Earth’s land, atmosphere, cryosphere, and ocean.

What is Remote Sensing? Remote sensing is the acquiring of information from a distance. NASA observes Earth and other planetary bodies via remote instruments on space-based platforms …

Jun 15, 2024 · Density altitude is a measure of air density relative to standard atmospheric conditions, and it is calculated by adjusting the pressure altitude for temperature and humidity.

Dec 28, 2020 · On top of that, most commercial jets cruise at 26,000 feet or higher, where temperatures are cold enough that the large volumes of condensed vapor instantly freeze and …

Mar 27, 2025 · The highest altitude hospital in the United States is the Pagosa Springs Medical Center, located in Pagosa Springs, Colorado, at an elevation of approximately 7,600 feet …