Dec 12, 2025 · 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 …

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 …

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.

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.

Feb 10, 2025 · The curvature of the Earth can be observed at an altitude of around 35,000 feet or higher, such as when flying in a commercial airplane.

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 …

May 23, 2024 · The phenomenon where temperature decreases with an increase in altitude is known as the lapse rate. On average, the temperature drops by approximately 0.6 degrees …

Feb 12, 2025 · Mount Vesuvius has an altitude of approximately 1,281 meters (4,203 feet) above sea level. It is one of the most famous volcanoes in the world, located near Naples, Italy.

Dec 12, 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 …