Then artificial intelligence—combined with satellite images—lent a hand. Last year, journalists with the environmental-news nonprofit Mongabay used a free AI tool, called Earth Index, to analyze ...
Gravity is the force needed to maintain the orbit of planets, asteroids and comets around a star and moons and artificial satellites around a planet. An artificial satellite is a man-made body ...
O n October 4, 1957, Earth received its first artificial satellite companion, Sputnik 1. The Soviet Union packed its ...
More than 58 years have passed since Sputnik 1 became the first artificial satellite to orbit Earth. Launched by the Soviet Union on October 4, 1957, Sputnik 1 consisted of a 23-inch-diameter ...