Jun 9, 2025 · NASA's terrain elevation data measure current height and changes in land altitude and are useful for creating digital elevation models.

Jun 24, 2024 · The altitude of the sun is the angle between the sun and the observer's horizontal plane. It changes throughout the day as the sun rises and sets. At solar noon, when the sun is …

Aug 11, 2023 · Altitude is primarily based on air pressure, not temperature and humidity. Additional information, such as air pressure or location, would be needed to accurately …

Jun 8, 2024 · The International Space Station (ISS) orbits at an altitude of 278 to 460 km (173 to 286 miles), and orbits the Earth about once every 92 minutes.

Jun 9, 2025 · A digital elevation model (DEM) is a three-dimensional graphic of the "bare earth" surface of land shown without trees, buildings or other objects.

4 days ago · Dry air is referred to as air from which measurable amounts of water vapor have been physically removed. Pure, dry air has a density of 1.293 kg m−3 at a temperature of 273 …

Feb 11, 2000 · Used to gather topographic (elevation) data of Earth's surface, NASA's SRTM used interferometry.

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 …

Apr 28, 2022 · Alt Sometimes, pilots refer to AGL which stands for "Above Ground Level". This is the distance from the ground to the airplane. If the plane flys at a level pressure altitude, this …

Nov 20, 2018 · The content producer, Dr. Roy Spencer, reports that AMSU on Aqua has operated for over 16 years and several channels have failed (Channel 4 in 2008, Channel 5 in 2013, …