Difference between revisions of "Orbit"

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(Low Earth Orbit)
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'''Orbit''' is the trajectory of an object moving in a stable circle or ellipsis around a bigger object, attracted by its [[gravity]]. [[Mars]] and other planets are orbiting the [[Sun]] in an elliptical trajectory. Mars is orbited by two moons: [[Phobos]] and [[Deimos]].
 
'''Orbit''' is the trajectory of an object moving in a stable circle or ellipsis around a bigger object, attracted by its [[gravity]]. [[Mars]] and other planets are orbiting the [[Sun]] in an elliptical trajectory. Mars is orbited by two moons: [[Phobos]] and [[Deimos]].
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== LEO ==
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Low Earth Orbit is the minimum hight (160 km) and velocity (8 km/s) that an object needs to stay in orbit round [[Earth]]. This orbit is the easiest to reach with currently available [[rocketry]]. It might be used to assemble a large spaceship from smaller parts that are lifted separately from Earth.
  
 
[[Category: Solar system]]
 
[[Category: Solar system]]

Revision as of 01:42, 3 July 2013

Orbit is the trajectory of an object moving in a stable circle or ellipsis around a bigger object, attracted by its gravity. Mars and other planets are orbiting the Sun in an elliptical trajectory. Mars is orbited by two moons: Phobos and Deimos.

LEO

Low Earth Orbit is the minimum hight (160 km) and velocity (8 km/s) that an object needs to stay in orbit round Earth. This orbit is the easiest to reach with currently available rocketry. It might be used to assemble a large spaceship from smaller parts that are lifted separately from Earth.

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