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»» MESSENGER Reveals Mercury as a Dynamic Planet
[Thursday, April 30, 2009] Analyses of data from the NASA sponsored MESSENGER spacecraft’s second flyby of Mercury in October 2008 show that the planet’s atmosphere, magnetosphere, and geological past are all characterized by much greater levels of activity than first suspected.
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»» NASA To Hold Briefing To Discuss New Findings About Planet Mercury
[Tuesday, April 28, 2009] NASA will host a media teleconference on Thursday, April 30, at 2 p.m. EDT to discuss new data and findings revealed by the Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft known as MESSENGER.
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»» NASA MESSENGER Mission News: MESSENGER Team Remembers Dr. Mario H. Acuna
[Tuesday, March 24, 2009] Mario H. Acuna, a senior astrophysicist at NASA Goddard Space Flight Center and Co-Investigator on the MESSENGER mission, died on March 5, 2009, after a long battle against multiple myeloma.
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»» MESSENGER Continues Hunt for Ever-Elusive Vulcanoids
[Tuesday, February 10, 2009] The mission's imaging team is taking advantage of the probe's proximity to the sun to continue their search for vulcanoids - small, rocky asteroids that have been postulated to circle the Sun in stable orbits inside the orbit of Mercury.
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»» NASA MESSENGER Completes Two-Part Maneuver; Poised for Third Mercury Encounter
[Tuesday, December 9, 2008] MESSENGER completed the second part of a two-part deep-space maneuver today, providing the remaining 10% velocity change needed to place the probe on course to fly by Mercury for the third time in September 2009.
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»» MESSENGER Spacecraft Reveals More Hidden Territory on Mercury
[Wednesday, October 29, 2008] A NASA spacecraft gliding over the battered surface of Mercury for the second time this year has revealed more previously unseen real estate on the innermost planet.
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»» NASA MESSENGER Sets Record for Accuracy of Planetary Flyby
[Wednesday, October 8, 2008] By using solar sailing MESSENGER navigators have achieved a new record for the smallest miss distance between the intended and actual closest approach distance during a flyby of a planet other than Earth.
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»» MESSENGER Flyby of Mercury
[Monday, October 6, 2008] At a little after 4:40 a.m. EDT, MESSENGER skimmed 200 kilometers (124 miles) above the surface of Mercury in the second of three flybys of the planet.
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»» MESSENGER Instruments Take Aim at Mercury
[Sunday, October 5, 2008] "All spacecraft sub-systems and instruments reported nominal operations indicating that MESSENGER is ready for its second encounter with Mercury," said MESSENGER Systems Engineer Eric Finnegan of APL.
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»» MESSENGER Beams Back First Approach Images of Mercury
[Friday, October 3, 2008] MESSENGER mission operators have received the first optical navigation images from the spacecraft. "We will be taking seven additional sets over the next three days as the spacecraft approaches the planet," said Mission Systems Engineer Eric Finnegan.
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