Introduction to the Ariane launchers family Ing. Luca del Monte ESA-HQ, Paris Corso di Propulsione Aerospaziale Universitadi Roma La Sapienza A.A. 2004-05.
Black Holes. Underlying principles of General Relativity The Equivalence Principle No difference between a steady acceleration and a gravitational field.
MAE 5410 – Astrodynamics Lecture 5 Orbit in Space Coordinate Frames and Time.