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This list contains a selection of objects 50 and 99 km in radius (100 km to 199 km in average diameter). The listed objects currently include most objects in the asteroid belt and moons of the giant planets in this size range, but many newly discovered objects in the outer Solar System are missing, such as those included in the following ...
For planet Earth, which can be approximated as an oblate spheroid with radii 6 378.1 km and 6 356.8 km, the mean radius is = (( ) ) / = . The equatorial and polar radii of a planet are often denoted r e {\displaystyle r_{e}} and r p {\displaystyle r_{p}} , respectively.
Mercury, the smallest and innermost planet, has no moons, or at least none that can be detected to a diameter of 1.6 km (1.0 mi). [2] For a very short time in 1974, Mercury was thought to have a moon. Venus also has no moons, [3] though reports of a moon around Venus have circulated since the 17th century.
The most recent driver to make their Formula One debut is Jack Doohan, who debuted at the 2024 Abu Dhabi Grand Prix. [ 18 ] This list includes all drivers who have entered a World Championship race, including participants of the Indianapolis 500 between 1950 and 1960 when it was part of the World Championship (although not being run according ...
The Moon's gravitational pull is the main driver of Earth's tides. In geophysical terms, the Moon is a planetary-mass object or satellite planet. Its mass is 1.2% that of the Earth, and its diameter is 3,474 km (2,159 mi), roughly one-quarter of Earth's (about as wide as the contiguous United States).
The numerous Formula One regulations, made and enforced by the FIA, have changed dramatically since the first Formula One World Championship in 1950. There are two main types of regulations; technical and sporting. Technical regulations are related to car specifications, such as the chassis or the engine.
The Formula One World Championship season consists of a series of races, known as Grands Prix, held usually on purpose-built circuits, and in a few cases on closed city streets. [3] The World Drivers' Championship is presented by the FIA to the most successful Formula One driver over the course of the season through a points system based on ...
The modern Formula One car is a single-seat, open-cockpit, open-wheel racing car with substantial front and rear wings, large wheels, and a turbocharged engine positioned behind the driver. The monocoque is constructed of reinforced carbon fibre , lined with kevlar and fire resistant materials to protect the drivers from high impact crashes and ...