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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 9.78×10 8: Encompasses the Sun, the inner planets (Mercury, Venus, Earth, Mars) and the asteroid belt. Cited distance is the 2:1 resonance with Jupiter, which marks the outer limit of ...
This caused a massive World War in which military technology became more destructive. At the brink of catastrophe, the alien species known as the Ord attacked, killing 1.5 million people at the first strike and another 2 million at the next invasion. The planet's militaries mobilized and joined together, forming the Earth Military Directorate.
SimEarth: The Living Planet is a life simulation game, the second designed by Will Wright, published in 1990 by Maxis. In SimEarth , the player controls the development of a planet . English scientist James Lovelock served as an advisor and his Gaia hypothesis of planet evolution was incorporated into the game.
Space flight occurs beyond the Earth's atmosphere, and space flight simulators feature the ability to roll, pitch, and yaw. Space flight simulators use flight dynamics in a free environment; this free environment lets the spacecraft move within the three-dimensional coordinate system or the x, y, and z (applicate) axis.
The extra pull of Earth's gravity decreases the object's orbital period, and at the L 2 point, that orbital period becomes equal to Earth's. Like L 1, L 2 is about 1.5 million kilometers or 0.01 au from Earth (away from the sun). An example of a spacecraft designed to operate near the Earth–Sun L 2 is the James Webb Space Telescope. [8]
The modern space flight game genre emerged at the point when home computers became sufficiently powerful to draw basic wireframe graphics in real-time. [1] The game Elite is widely considered to be the breakthrough game of the genre, [1] [2] [3] and as having successfully melded the "space trading" and flight sim genres. [4]
Universe Sandbox is a series of interactive space sandbox gravity simulator educational software video games.Using Universe Sandbox, users can see the effects of gravity on objects in the universe and run scale simulations of the Solar System, various galaxies or other simulations, while at the same time interacting and maintaining control over gravity, time, and other objects in the universe ...
It is convenient to define the orientation of an ECI frame using the Earth's orbit plane and the orientation of the Earth's rotational axis in space. [3] The Earth's orbit plane is called the ecliptic, and it does not coincide with the Earth's equatorial plane. The angle between the Earth's equatorial plane and the ecliptic, ε, is called the ...