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News About Mercury
March 27, 2015
Hover Campaign Promises Bird's-Eye View of Mercury's Surface
Laurel MD (SPX) Mar 22, 2015
MESSENGER will not go gentle into that good night. The mission will end sometime this spring, when the spacecraft runs out of propellant and the force of solar gravity causes it to impact the surface of Mercury. But the team initiated a "hover" observation campaign designed to gather scientific data from the planet at ultra-low altitudes until the last possible moment. Engineers have devised a series of orbit-correction maneuvers (OCMs) over the next five weeks - the first of which was carried out ... read more

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Satellite Services supplies on-board sub-systems for smallsats and microsats.
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New Mercury surface composition maps illuminate the planet's history
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Latest MESSENGER data includes new targeted mosaics of Mercury
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Maneuver Delays Messenger's Impact, Extends Orbital Operations
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Last Chance: Mercury Crater-Naming Contest Ends January 15
The MESSENGER Education and Public Outreach (EPO) Team is reminding interested parties that the competition to name five impact craters on Mercury closes on January 15, 2015. The contest, open to ev ... more
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Innovative use of Pressurant Extends Messenger's Mission
The MESSENGER spacecraft will soon run literally on fumes. After more than 10 years traveling in space, nearly four of those orbiting Mercury, the spacecraft has expended most of its propellant and ... more
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NASA is letting people name the craters of Mercury
The team behind NASA's Mercury orbiter, MESSENGER, has begun a competition to name the craters of Mercury. ... more
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MESSENGER Data Suggest Recurring Meteor Shower on Mercury
The closest planet to the sun appears to get hit by a periodic meteor shower, possibly associated with a comet that produces multiple events annually on Earth. The clues pointing to Mercury's ... more
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Third of Four Planned Maneuvers Extends Messenger Orbital Operations
Messenger mission controllers at the Johns Hopkins University Applied Physics Laboratory in Laurel, Md., conducted the third of four maneuvers to raise the spacecraft's minimum altitude sufficiently ... more
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Messenger Images Ice Near Mercury's North Pole
NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft has provided the first optical images of ice and other frozen volatile materials within permanently shadow ... more
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Planets with Oddball Orbits Like Mercury Could Host Life
Mercury has an oddball orbit - it takes longer for it to rotate on its axis and complete a day than it takes to orbit the sun and complete a year. Now, researchers suggest photosynthesis could take ... more
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12th Batch of Messenger Data Released; Water Ice Exploration Tool Unveiled
Data collected during MESSENGER's 31st through 36th month in orbit around Mercury were released to the public by the Planetary Data System (PDS), an organization that archives and distributes NASA's ... more
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MESSENGER Team Celebrates 10th Anniversary of Launch
Ten years ago, on August 3, 2004, NASA's MESSENGER spacecraft blasted off from Cape Canaveral, Florida, for a risky mission that would take the small satellite dangerously close to Mercury's surface ... more
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Mercury's magnetic field tells scientists how its interior is different from Earth's
Earth and Mercury are both rocky planets with iron cores, but Mercury's interior differs from Earth's in a way that explains why the planet has such a bizarre magnetic field, UCLA planetary physicis ... more
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MESSENGER Gets Closer to Mercury than Ever Before
On July 25, MESSENGER moved closer to Mercury than any spacecraft has before, dropping to an altitude at closest approach of only 100 kilometers (62 miles) above the planet's surface. "The sci ... more
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Bepicolombo Integration Testing Completed At Thales
Integration and functional testing activities for the protoflight models of the BepiColombo Mercury Planetary Orbiter, Mercury Transfer Module, and Magnetospheric Orbiter Sunshield and Interface Str ... more
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Planet Mercury a result of early hit-and-run collisions
Planet Mercury's unusual metal-rich composition has been a longstanding puzzle in planetary science. According to a study published online in Nature Geoscience July 6, Mercury and other unusually me ... more
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Messenger Spots Giant Space Weather Effects at Mercury
The solar wind of particles streaming off the sun helps drive flows and swirls in space as complicated as any terrestrial weather pattern. Scientists have now spotted at planet Mercury, for the firs ... more
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Mercury Passes in Front of the Sun, as Seen From Mars
NASA's Curiosity Mars rover has imaged the planet Mercury passing in front of the sun, visible as a faint darkening that moves across the face of the sun. This is the first transit of the sun by a p ... more
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MESSENGER Completes Its 3,000th Orbit of Mercury, Sets Mark for Closest Approach
On April 20, MESSENGER completed its 3,000th orbit of Mercury and moved closer to the planet than any spacecraft has been before, dropping to an altitude of 199 kilometers (123.7 miles) above the pl ... more
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    Ancient volcanic explosions shed light on Mercury's origins
    The surface of Mercury crackled with volcanic explosions for extended periods of the planet's history, according to a new analysis led by researchers at Brown University. The findings are surprising ... more
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    Mercury's contraction much greater than thought
    New global imaging and topographic data from MESSENGER* show that the innermost planet has contracted far more than previous estimates. The results are based on a global study of more than 5,900 geo ... more
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    Mercury contracted more than prior estimates
    New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier ... more
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    Mercury, the incredible shrinking planet
    Beneath its Sun-scorched exterior, the planet Mercury is cooling, which is causing it to shrink ever so slightly, scientists said Sunday. ... more
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    Eleventh MESSENGER Planetary Data System Release Is the Largest Yet
    NASA requires that all of its planetary missions archive their data in the PDS, which provides well-documented, peer-reviewed data to the research community. The latest release of MESSENGER measurem ... more
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    MESSENGER Surpasses 200,000 Orbital Images of Mercury
    MESSENGER has now returned more than 200,000 images acquired from orbit about Mercury. The 1996 proposal for the mission promised a return of at least 1,000 images says Robert Gold, MESSENGER's Scie ... more
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    MESSENGER Celebrates 1,000 Earth Days in Orbit around Mercury
    Later today, the MESSENGER spacecraft will have completed 1,000 Earth days of flight operations in orbit around Mercury. "This milestone is a testament to the outstanding work of those who designed, ... more
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    MESSENGER Detects Comets ISON and Encke, Prepares For Closer Encounters
    NASA's Mercury-orbiting MESSENGER spacecraft has captured images of two comets - 2P/Encke and C/2012 S1 (ISON) - setting the stage for observations later this month when both comets will be substa ... more
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