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MESSENGER

File:MESSENGER_-_spacecraft_at_mercury_-_atmercury_lg.jpg · Wikimedia Commons · See Wikimedia Commons

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Also known as Mercury Surface, Spatydyhxvc hdhfg bbdjce Environment, Geochemistry, and Ranging

MESSENGER was a NASA robotic space probe that orbited the planet Mercury between 2011 and 2015, studying Mercury's chemical composition, geology, and magnetic field. The name is a backronym for Mercury Surface, Space Environment, Geochemistry, and Ranging, and a reference to the messenger god Mercury from Roman mythology.

AI overview

MESSENGER was a NASA spacecraft that orbited Mercury from 2011 to 2015, collecting detailed scientific data about the planet's composition, surface features, and magnetic properties. The mission helped scientists better understand one of the least-explored planets in our solar system by gathering information that would have been impossible to obtain from Earth.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Spaceflight.name
MESSENGER
Spaceflight.image
MESSENGER - spacecraft at mercury - atmercury lg.jpg
Spaceflight.image_caption
Artist's rendering of MESSENGER orbiting Mercury
Spaceflight.insignia
MESSENGER mission emblem.png
Spaceflight.mission_type
Mercury orbiter
Spaceflight.operator
NASA
Spaceflight.COSPAR_ID
2004-030A
Spaceflight.SATCAT
28391
Spaceflight.manufacturer
Applied Physics Laboratory
Spaceflight.power
450 watts
Spaceflight.launch_date
 UTC
Spaceflight.launch_rocket
Delta II 7925H-9.5
Spaceflight.launch_site
Cape Canaveral, SLC-17B
Spaceflight.entered_service
April 4, 2011
Spaceflight.disposal_type
Crashed into Mercury
Spaceflight.destroyed
April 30, 2015, 19:26 UTC
Spaceflight.orbit_epoch
January 1, 2000
Spaceflight.orbit_reference
Hermiocentric

via Wikipedia infobox

Wikidata facts

Mass
1100
Orbital period
12
Official website
messenger.jhuapl.edu
Image
MESSENGER - spacecraft at mercury - atmercury lg.jpg
Show 10 more facts
Commons category
MESSENGER
UTC date of spacecraft launch
2004-08-03
time of object orbit decay
2015-04-30
power consumed
450
UTC date of spacecraft landing
2015-04-30
nominal power output
450
periapsis
200
apoapsis
10300
orbital inclination
80
service entry
2011-04-04
Sources (3)

via Wikidata · CC0

~41 min read

Article

35 sections
Contents
  • Mission overview
  • Mission background
  • Previous missions
  • Proposals for the mission
  • Objectives
  • Spacecraft design
  • Attitude control and propulsion
  • Communications
  • Power
  • Computer and software
  • Scientific instruments
  • Mercury Dual Imaging System (MDIS)
  • Gamma-Ray Spectrometer (GRS)
  • [[Neutron spectrometer|Neutron Spectrometer]] (NS)
  • [[X-ray spectroscopy|X-Ray Spectrometer]] (XRS)
  • [[Magnetometer]] (MAG)
  • Mercury Laser Altimeter (MLA)
  • Mercury Atmospheric and Surface Composition Spectrometer (MASCS)
  • Energetic Particle and Plasma Spectrometer (EPPS)
  • Radio Science (RS)
  • Mission profile
  • Launch and trajectory
  • Earth flyby
  • Two Venus flybys
  • Three Mercury flybys
  • Orbital insertion
  • Primary science
  • Extended mission
  • Discovery of water, organic compounds and volcanism
  • Solar System portrait
  • View of a total lunar eclipse
  • End of mission
  • See also
  • References
  • External links

MESSENGER was a NASA robotic space probe that orbited the planet Mercury between 2011 and 2015, studying Mercury's chemical composition, geology, and magnetic field. The name is a backronym for Mercury Surface, Space Environment, Geochemistry, and Ranging, and a reference to the messenger god Mercury from Roman mythology.

MESSENGER was launched aboard a Delta II rocket in August 2004. Its path involved a complex series of flybys – the spacecraft flew by Earth once, Venus twice, and Mercury itself three times, allowing it to decelerate relative to Mercury using minimal fuel. During its first flyby of Mercury in January 2008, MESSENGER became the second mission, after Mariner 10 in 1975, to reach Mercury.

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