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  1. Shuttle Radar Topography Mission (SRTM) | NASA Earthdata

    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 …

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

    2 days ago · 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.

  3. Redirecting to https://www.earthdata.nasa.gov/topics/land-surface ...

    Redirecting to https://www.earthdata.nasa.gov/topics/land-surface/digital-elevation-terrain-model-dem.

  4. Orbits | NASA Earthdata

    Space-based platforms can be placed in several types of orbits around Earth. The three common classes of orbits are low-Earth orbit (approximately 160 to 2,000 km above Earth), medium-Earth …

  5. 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 …

  6. 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 …

  7. Air Mass/Density | NASA Earthdata

    Mar 19, 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 …

  8. What is the altitude range of the exosphere? - Answers

    Jul 2, 2024 · The exosphere extends from an altitude of about 600 km (373 miles) upwards, and is where most man-made satellites orbit the Earth.

  9. 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 …

  10. Why do the boiling point of water decrease on climbing up the higher ...

    Jun 1, 2024 · Water usually boils at 212F or 100C at sea level. As you go higher up in the atmosphere (higher altitude), the amount of atmosphere pushing down on you decreases, hence the pressure …