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[nb 1] Earth's orbital speed averages 29.78 km/s (19 mi/s; 107,208 km/h; 66,616 mph), which is fast enough to cover the planet's diameter in 7 minutes and the distance to the Moon in 4 hours. [3] The point towards which the Earth in its solar orbit is directed at any given instant is known as the "apex of the Earth's way". [4] [5]
Geosynchronous orbit (GSO): An orbit around the Earth with a period equal to one sidereal day, which is Earth's average rotational period of 23 hours, 56 minutes, 4.091 seconds. For a nearly circular orbit, this implies an altitude of approximately 35,786 kilometers (22,236 mi).
In the Solar System, the reference plane is the plane of Earth's orbit, called the ecliptic. ... [77] Rotation. The planets rotate around invisible axes through their ...
(110–210 Earth radii) 6.36×10 6 –1.27×10 7: The space dominated by Earth's magnetic field and its magnetotail, shaped by the solar wind. [17] Earth's orbit: 299.2 million km [b] 2 AU [c] 2.99×10 8: The average diameter of the orbit of the Earth relative to the Sun. Encompasses the Sun, Mercury and Venus. [18] Inner Solar System ~6.54 AU ...
The object's Earth orbital paths occasionally take it within the radius of the Moon's orbit, and could result in eventual entry into Earth's atmosphere, or collision with the Moon. The Apollo 12 empty S-IVB, Instrument Unit, and spacecraft adapter base, had a mass of about 14 tonnes; 15 short tons (30,000 lb). [ 6 ]
Earth's axial tilt causing different angles of seasonal illumination at different orbital positions around the Sun. The axial tilt of Earth is approximately 23.439281° [2] with the axis of the plane of the Earth's orbit by definition pointing always towards the Celestial Poles. Due to Earth's axial tilt, the amount of sunlight reaching any ...
The simulation is centered on a typical Space Shuttle mission to service a space station. Mission phases include Earth Lift-Off, Orbital Rendezvous, Approach and Alignment and Docking. [2] It was released for the Apple II in 1982, [2] receiving positive feedback from reviewers. [3]
The view of the game is from the cockpit of a spacecraft. The goal of the game is to explore a grid which is displayed on screen in search of opponents to destroy and to land on planets some of which refuel the energy and refill the ammunition of the player's arsenal of weapons. The player starts with two weapons.