Messenger / produced by Switch International.

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.

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Bibliographic Details
Format: Video
Language:English
Published: Geelong, Victoria : Switch International, 2011.
Series:In short : a lesson on almost everything ; Episode 129
VAST: academic video online
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Online Access:Click for online access
Description
Summary: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.
Item Description:Title from resource description page (viewed July 15, 2014).
Physical Description:1 online resource (2 min.).
Playing Time:00:02:38
Language:This edition in English.