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  1. 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 …

  2. What is the altitude of Austin? - Answers

    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.

  3. 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 …

  4. How high would you need to be in order to see the curvature of …

    Feb 12, 2025 · To see the curvature of the Earth, you would need to be at an altitude of at least 35,000 feet, which is roughly the cruising altitude of commercial airplanes.

  5. Digital Elevation/Terrain Model (DEM) | NASA Earthdata

    Sep 30, 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.

  6. Air Mass/Density | NASA Earthdata

    Sep 30, 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 …

  7. 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 …

  8. Remote Sensing - NASA Earthdata

    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 …

  9. Terrain Elevation | NASA Earthdata

    Sep 30, 2025 · NASA's terrain elevation data measure current height and changes in land altitude and are useful for creating digital elevation models.

  10. What is the Airbus A380 cruise altitude? - Answers

    Sep 22, 2023 · The cabin pressure on the Airbus A380 is regulated to simulate an altitude of about 6,000 to 8,000 feet, which is lower than the actual cruising altitude of the aircraft.