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Io (/ ˈ aɪ. oʊ /), or Jupiter I, is the innermost and second-smallest of the four Galilean moons of the planet Jupiter.Slightly larger than Earth's moon, Io is the fourth-largest moon in the Solar System, has the highest density of any moon, the strongest surface gravity of any moon, and the lowest amount of water by atomic ratio of any known astronomical object in the Solar System.
Spacecraft components. The 3.7 m (12 ft) diameter high gain dish antenna used on the Voyager craft. Voyager 1 was built by the Jet Propulsion Laboratory (JPL). It has 16 hydrazine thrusters, three-axis stabilization gyroscopes, and referencing instruments to keep the probe's radio antenna pointed toward Earth.
Terra ( EOS AM-1) is a multi-national scientific research satellite operated by NASA in a Sun-synchronous orbit around the Earth. It takes simultaneous measurements of Earth's atmosphere, land, and water to understand how Earth is changing and to identify the consequences for life on Earth. [1] It is the flagship of the Earth Observing System ...
An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, meteorology, cartography and others. The most common type are Earth imaging satellites, that take ...
US$191.3M (2022) Number of employees. 1090 (as of 11 January 2023. [update] ) [3] Website. planet .com. Planet Labs PBC (formerly Planet Labs, Inc. and Cosmogia, Inc.) is a publicly trading American Earth imaging company based in San Francisco, California. [1] [4] Their goal is to image the entirety of the Earth daily to monitor changes and ...
Pléiades-1A and Pléiades-1B. The Pléiades constellation is composed of two very-high-resolution optical Earth-imaging satellites. Pléiades-1A and Pléiades-1B provide the coverage of Earth's surface with a repeat cycle of 26 days. [1] Designed as a dual civil/military system, Pléiades will meet the space imagery requirements of European ...
The GeoEye-2 satellite is designed to provide panchromatic images at a highest resolution of 0.31 meters per pixel (12.2 in/px), and multispectral images at 1.24 meters per pixel (48.8 in/px). The spacecraft was designed and built by Lockheed Martin, [21] while the camera payload was provided by ITT Corporation .
Maxar Technologies. Maxar Technologies Inc. is a space technology company headquartered in Westminster, Colorado, United States, specializing in manufacturing communication, Earth observation, radar, and on-orbit servicing satellites, satellite products, and related services. DigitalGlobe and MDA Holdings Company merged to become Maxar ...