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- 2. This is the first mission to Mercury since Mariner 10 in 1975 It will fully map
- 3. Key questions for MESSENGER to answer: Why is Mercury so dense and iron-rich? What is the
- 4. What do we already know about Mercury? Mercury’s density is the highest of any planet It’s
- 5. MESSENGER was launched on August 3, 2004 from Cape Canaveral Air Force Station, Florida The probe
- 6. MESSENGER used gravity assists from Earth, Venus, and Mercury to lower its speed Each gravity assist
- 7. On March 18, 2011, the MESSENGER spacecraft will enter into orbit around Mercury, becoming the first
- 8. The spacecraft will have an extremely elliptical orbit of Mercury at an altitude of 200 km
- 9. Solar Panel Sunshade Main Thruster Instruments Fuel Storage Magnetometer Instrument
- 10. MESSENGER’S instruments: MDIS (Mercury Dual Imaging System)—map landforms, gather topographic information GRNS (Gamma-Ray and Neutron Spectrometer)—map
- 11. Systems MESSENGER’S instruments: MLA (Mercury Laser Altimeter—measure the amount of time for light to go to
- 12. On June 21, 2006 MESSENGER performed its final flip maneuver to keep its sunshade toward the
- 13. On June 5, 2007 Messenger made its closest approach to Venus and sent back data on
- 14. Scientists pored over the 614 images of Venus sent back from Messenger that helped them calibrate
- 15. On October 6, 2008, the MESSENGER spacecraft passed a mere 200 kilometers (124 miles) above Mercury's
- 16. First image of the previously unseen side of Mercury.
- 17. As MESSENGER sped by Mercury on January 14, 2008, the Narrow Angle Camera (NAC) of the
- 18. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington Machaut is the name of a
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