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Space Propulsion - IAP/TU Wien

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<strong>Space</strong> <strong>Propulsion</strong><br />

1.<br />

2.<br />

3.<br />

The planets move in ellipses with the sun at one focus<br />

Areas swept out by the radius vector from the sun to a planet in equal<br />

times are equal<br />

The square of the period of revolution is proportional to the cube of the<br />

semimajor axis.<br />

That is, T 2 = const x a 3

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