Shuttle Radar Topography Mission (SRTM) | NASA Earthdata
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 land …
What is the altitude of the International Space Station?
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 …
Terrain Elevation - NASA Earthdata
Jan 8, 2026 · NASA's terrain elevation data measure current height and changes in land altitude and are useful for creating digital elevation models.
OpenAltimetry | NASA Earthdata
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 …
Digital Elevation/Terrain Model (DEM) | NASA Earthdata
3 days ago · Digital Elevation Models, or DEMs, are three-dimensional models of the “bare earth” surface, showing elevation and topography without trees, buildings, or other objects. DEMs are …
Air Mass/Density | NASA Earthdata
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 …
Why do the boiling point of water decrease on climbing up the higher ...
Jun 1, 2024 · due to altitude. the higher you get, temperature will decrease as well as pressure. At higher altitudes, there is reduced atmospheric pressure, which leads to a lower boiling point of water.
How high up is a satellite in space and what factors ... - Answers
Mar 12, 2025 · Satellites in space are typically located around 100 to 1,200 miles above the Earth's surface. The altitude of a satellite is determined by its intended purpose, such as communication or …
The Precision Behind Sea Level Rise - NASA Earthdata
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 …
Global Navigation Satellite System | NASA Earthdata
GNSS is a space geodesy technique that provides autonomous geospatial positioning with global coverage. NASA hosts one of six global GNSS data archive centers.