News About Mercury
July 20, 2016
Mercury's Surface Arose from Deep Inside the Planet
Yokohama, Japan (SPX) Jul 03, 2016
NASA researchers have found that several volcanic deposits on Mercury's surface require mantle melting to have started close to the planet's core-mantle boundary, which lies only 400 km below the planet's surface, making it unique in the solar system. This is reported at the Goldschmidt conference in Yokohama, Japan. The recent MESSENGER mission to Mercury has shown that the surface of the planet is very heterogeneous, but it can be classified into two main types of regions. One is an area of rela ... read more

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Mercury's mysterious 'darkness' revealed
Scientists have long been puzzled about what makes Mercury's surface so dark. The innermost planet reflects much less sunlight than the Moon, a body on which surface darkness is controlled by the ab ... more
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Scientists explain why Mercury's surface is so dark
Astronomers have long struggled to explain Mercury's darkness, but new research suggests carbon is responsible for the planet's limited reflectivity. ... more
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Planetary Data System Releases Final Raw MESSENGER Dataset
Data collected during MESSENGER's 43rd through 49th months in orbit around Mercury were released to the public by NASA's Planetary Data System (PDS), the network of nodes that archives and distribut ... more
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Mercury featuring prominently in October skies
Mercury is set to join the planetary party being held in the predawn sky. For the last couple weeks, Mars, Jupiter and Venus have been congregating in the Northern Hemisphere's morning sky. ... more
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Mercury's Movements Give Scientists Peek Inside the Planet
The first measurements of Mercury's movements from a spacecraft orbiting the planet reveal new insights about the makeup of the solar system's innermost world and its interactions with other planeta ... more
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UK-built technology brings Europe's Mercury mission closer to launch
A UK-built instrument, designed to unlock the secrets of Mercury's surface, has been shipped from the University of Leicester's Space Research Centre to the European Space Agency where it will be in ... more
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Mercury's core dynamo present early in planet's history
The Messenger spacecraft, which crash-landed into Mercury just a few days ago, found traces of magnetization in Mercury's crust, a new study reports. The presence of residual magnetization pro ... more
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MESSENGER reveals Mercury's magnetic field secrets
New data from MESSENGER, the spacecraft that orbited Mercury for four years before crashing into the planet a week ago, reveals Mercury's magnetic field is almost four billion years old. The discove ... more
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PSI Researchers Look Back at Mercury MESSENGER Accomplishments
As NASA's MESSENGER spacecraft ends its scientific operations by crashing into Mercury today, Planetary Science Institute researchers looked back at a mission that provided new discoveries on the pl ... more
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NASA completes MESSENGER mission with surface impact
Mission controllers at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., confirmed today that NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSEN ... more
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Fire and Ice: A MESSENGER Recap
The planet closest to the Sun is, ironically, one of the coldest. That's just one of many mind-bending discoveries about Mercury that NASA's MESSENGER spacecraft beamed back to Earth over the past 7 ... more
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KinetX Aerospace Navigates MESSENGER through Final Mission Phase
KinetX Aerospace, the first commercial company to navigate any spacecraft to distant planetary bodies, announced that it has successfully guided the MESSENGER spacecraft through its final and perhap ... more
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MESSENGER executes last orbit-correction maneuver ahead of impact
MESSENGER mission controllers at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., conducted the last of six planned maneuvers on April 24 to raise the spacecraft's minim ... more
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NASA Spacecraft Achieves Unprecedented Success Studying Mercury
After extraordinary science findings and technological innovations, a NASA spacecraft launched in 2004 to study Mercury will impact the planet's surface, most likely on April 30, after it runs out o ... more
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NASA spacecraft set for death plunge into Mercury
A NASA probe that has circled Mercury for the past four years will make a dramatic death plunge into the planet's surface in late April when it runs out of fuel. ... more
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Altimeter Assists in MESSENGER's Low-Altitude Navigation
As NASA's MESSENGER mission draws to a close, an on-board science instrument that mapped the surface of Mercury is helping the navigation team with the spacecraft's low-altitude passes. MESSEN ... more
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Correction Maneuver Puts MESSENGER Right on Course
The MESSENGER team is pulling out all the stops to give the spacecraft life far beyond its original design. On April 8, mission operators at the Johns Hopkins University Applied Physics Laboratory ( ... more
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Comms system critical to delaying MESSENGER's Mercury impact
MESSENGER's orbit-correction maneuver on April 6 was a nail biter. It was the 15th such maneuver since the spacecraft entered orbit about Mercury in 2011, and the third in a series of increasingly r ... more
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Planned Maneuver Further Extends MESSENGER Orbital Operations
MESSENGER mission controllers at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., conducted a maneuver yesterday to raise the spacecraft's minimum altitude sufficiently ... more
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New explanation for Mercury's dark surface
Peering into space, the surface of Mercury appears dark and unreflective, an observation that has long puzzled planetary scientists due to the planet's very low surface abundance of iron (less than ... more
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Comet dust: Planet Mercury's 'invisible paint'
A team of scientists has a new explanation for the planet Mercury's dark, barely reflective surface. In a paper published in Nature Geoscience, the researchers suggest that a steady dusting of carbo ... more
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MESSENGER Completes 4,000th Orbit of Mercury
On March 25, the MESSENGER spacecraft completed its 4,000th orbit of Mercury, and the lowest point in its orbit continues to move closer to the planet than ever before. The orbital phase of the MESS ... more
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Hover Campaign Promises Bird's-Eye View of Mercury's Surface
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 surfac ... more
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New Mercury surface composition maps illuminate the planet's history
Two new papers from members of the MESSENGER Science Team provide global-scale maps of Mercury's surface chemistry that reveal previously unrecognized geochemical terranes - large regions that have ... more
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