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Astrodynamics is the term used to describe the application of Newtonian mechanics to human-made objects in space, such as rockets and spacecraft. It is a subfield of celestial mechanics and ballistics .
Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical concerning the motion of rockets, satellites, and other spacecraft. The motion of these objects is usually calculated from Newton's laws of motion and the law of universal gravitation .
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Astrodynamics is a core discipline within space-mission design and control. Celestial mechanics treats more broadly the orbital dynamics of systems under the influence of gravity , including both spacecraft and natural astronomical bodies such as star systems , planets , moons , and comets .
In astrodynamics, the characteristic energy is a measure of the excess specific energy over that required to just barely escape from a massive body. The units are length 2 time −2, i.e. velocity squared, or energy per mass.
The series originally aired on the Discovery Channel in 2010. All but the second, third and eighth seasons were narrated by Mike Rowe. [4] The second, third and eighth seasons, as well as episodes of the fifth and sixth seasons, were narrated by Erik Todd Dellums. [5]
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