MESSENGER
The MErcury Surface, Space ENvironment, GEochemistry and Ranging (or MESSENGER for short) is a
NASA mission, launched
August 3,
2004, designed to study the characteristics and environment of
Mercury from
orbit. Specifically, the objectives of the mission are to characterize the chemical composition of Mercury's surface, the geologic history, the nature of the
magnetic field, the size and state of the core, the volatile inventory at the poles, and the nature of Mercury's
exosphere and
magnetosphere over a nominal orbital mission of one Earth year. The mission will be the first to return to Mercury in over 35 years — the only previous probe to visit Mercury was
Mariner 10, which completed its mission in March,
1975. MESSENGER will offer several vast improvements in scanning ability, with cameras that can resolve surface features down to just 60 feet across (18 meters) compared to the one mile (1.61 kilometer) resolution offered by Mariner 10. MESSENGER will also be the first probe to image the entire planet; Mariner 10 was only able to observe one hemisphere that was lit during its flybys.
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Messenger
Messenger may refer to:ComputersAn
instant messaging client or service in general, or specifically one of the following services:
AOL Instant Messenger, an ad-supported instant messaging and presence computer program, published by America Online
BitWise IM, an instant messaging client published by BitWise Communications, LLC
Google Talk, an instant messaging client published by Google
Miranda IM, an opensource instant messaging client released under GNU GPL
MSN Messenger, the Microsoft instant messaging client preceding Windows Live Messenger
Windows Live Messenger, an instant messaging client published by Microsoft
Windows Messenger, the instant messaging client bundled with Windows XP
Yahoo! Messenger, an instant messaging client published by Yahoo!
QQ, an instant messaging client published by Tencent
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MESSENGER
Le programme MESSENGER (en
anglais : ) est une mission d'étude des caractéristiques physicochimiques de la
planète Mercure. Son but est d'étudier en particulier la composition chimique de la surface et de l'atmosphère, l'histoire géologique, la magnétosphère, la taille, l'état et la nature du cœur de la planète, ainsi que l'origine de son champ magnétique.
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Messenger
Messenger
Messenger (Raumsonde)
MESSENGER (MErcury Surface, Space ENvironment, GEochemistry and Ranging) ist eine
NASA-
Raumsonde des
Discovery-Programms, die den sonnennächsten Planeten
Merkur erforschen soll. Die Sonde startete am 3. August 2004 und soll am 18. März 2011 in einen
Orbit um Merkur einschwenken. MESSENGER wäre damit nach
Mariner 10 die zweite Raumsonde, die den Merkur besuchen wird, und die erste, die den Planeten als
Orbiter umkreist.
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MESSENGER
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MESSENGER
MESSENGER is de tweede vlucht naar de
planeet Mercurius, georganiseerd door
NASA. De naam MESSENGER is een afkorting voor MErcury Surface Space ENvironment, GEochemistry and Ranging en wordt daarom met hoofdletters geschreven. De naam is overigens wel toepasselijk omdat de
god Mercurius in de
Romeinse mythologie de rol van boodschapper (Engels: messenger) van de goden vervulde. Deze vlucht kan worden gezien als de opvolger van de
Mariner 10.
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Messenger