5 relations: Diameter, Elevation, Impact crater, Magellan (spacecraft), Venus.
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
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Elevation
The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vertical datum).
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Impact crater
An impact crater is an approximately circular depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body.
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Magellan (spacecraft)
The Magellan spacecraft, also referred to as the Venus Radar Mapper, was a robotic space probe launched by NASA of the United States, on May 4, 1989, to map the surface of Venus by using synthetic aperture radar and to measure the planetary gravitational field.
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Venus
Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.
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