Messenger /

Mercury is the closest planet to the Sun, which makes it both difficult to observe and to visit with a probe. To minimize this problem Messenger is on a circuitous path using the gravitation from both Venus and Earth to help it approach Mercury at an oblique angle to the Sun.

Bibliographic Details

Format:	Video
Language:	English
Language Notes:	This edition in English.
Published:	Geelong, Victoria : Switch International, 2011.
Series:	In short : a lesson on almost everything ; Episode 129 VAST: academic video online
Subjects:	Artificial satellites. Mercury (Planet) > Exploration. Outer space > Exploration. Satellites artificiels. Espace extra-atmosphérique > Exploration. Planets > Exploration. Exploration of outer space. Mercury (Planet) Outer space. Alexander Street Video. Documentary films. Documentaires.
Online Access:	Connect to this streaming video (Alexander Street Press)