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Mars orbits farther from the sun,tthan Earth does, meand its orbital circumference is longer. Additionally, the farther out an orbiting object is, the slower it travels. So, to complete one orbit, Mars has to travel farther than Earth does and at a slower speed.
Dinosaurs died
It is called a low earth orbit
It takes the moon 29 days or about 1 month to orbit the earth.
The earth's orbit passes through the perihelion of its orbit. As a result, the earth ends up closest to the sun in its orbit. This occurs in the winter, usually between January 1st through 4th.
Earth Orbit Stations happened in 1987.
Orbit
They will hit Earth if, in their orbit around the Sun, they happen to cross Earth's orbit.
Mars takes longer to make one orbit of the sun. Its slower, and it also has further to go. Planets orbiting speeds get slower the further you go out.
Slower or faster than what? - When the Earth is nearer the Sun (periapsis), it moves faster than when it is farther away from the Sun (apapsis).
The moon does slowly move away from earth at an estimated two inches every year, it is a possibility that (if you believe in the apocalypse) the cause for the fall of Earth is the moon losing its orbit with earth and drifting away.
distance to the sun.
earth will fry up.
if you think you go in to orbit by the same way that if you throw a ball hard enough it'll fall as it gets past the horizon (this cannot happen of course) an that's how you get into orbit and if you're further away the gravity of the sun will be less sooo it will orbit slower. :)
The earth's water would evaporate.
If the satellite is anywhere near Earth's surface, it will take about one and a half hours to orbit Earth once. As the orbit gets higher, it will take longer - both because it must travel a longer distance, and because it will be slower.
The earthquake in Japan has moved the earth 25 centimeters(cm) and shortened the day by 1.8microseconds.