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Asteroids is a space-themed multidirectional shooter arcade video game designed by Lyle Rains and Ed Logg released in November 1979 by Atari, Inc. [ 4] The player controls a single spaceship in an asteroid field which is periodically traversed by flying saucers. The object of the game is to shoot and destroy the asteroids and saucers, while not ...
Asteroids are given minor planet numbers, but not all minor planets are asteroids. Minor planet numbers are also given to objects of the Kuiper belt , which is similar to the asteroid belt but farther out (around 30–60 AU), whereas asteroids are mostly between 2–3 AU from the Sun or at the orbit of Jupiter 5 AU from the Sun.
In the main asteroid belt, there appear to be two primary populations of asteroid: a dark, volatile-rich population, consisting of the C-type and P-type asteroids, with albedos less than 0.10 and densities under 2.2 g/cm 3, and a dense, volatile-poor population, consisting of the S-type and M-type asteroids, with albedos over 0.15 and densities ...
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Greys have been the predominant extraterrestrial beings of alleged alien contact since the 1960s. [ 5] Hopkinsville goblin [ 6][ 7][ 8] Small, greenish-silver humanoids. [ 9] Little green men [ 10] Diminutive green humanoids. Even though a few abductions have referred to green skin, no report has ever involved anything that would fit the ...
C-type asteroids are made of clay and silicate rocks, while S-types are composed of silicate materials and nickel-iron. Stony asteroids are part of the most common class of potentially hazardous ...
C-type asteroids, among the solar system's most ancient objects, are the most common asteroid type, followed by stony S-type asteroids and rarer metallic M-type asteroids.
The small near-Earth asteroids 2008 TC 3, 2014 AA, 2018 LA, 2019 MO, 2022 EB 5, 2022 WJ 1, 2023 CX 1 and 2024 BX 1 are the only eight asteroids discovered before impacting into Earth (see asteroid impact prediction ). Scientists estimate that several dozen asteroids in the 6–12 m (20–39 ft) size range fly by Earth at a distance closer than ...