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MARSDAILY
NASA Selects Instrument for Future International Mission to Martian Moons
by Staff Writers
Washington DC (SPX) Nov 17, 2017


Artist's concept of Japan's Mars Moons eXploration (MMX) spacecraft, carrying a NASA instrument to study the Martian moons Phobos and Deimos.

NASA has selected a science instrument for an upcoming Japan-led sample return mission to the moons of Mars planned for launch in 2024. The instrument, a sophisticated neutron and gamma-ray spectrograph, will help scientists resolve one of the most enduring mysteries of the Red Planet - when and how the small moons formed.

The Mars Moons eXploration (MMX) mission is in development by the Japan Aerospace Exploration Agency (JAXA). MMX will visit the two Martian moons, Phobos and Deimos, land on the surface of Phobos, and collect a surface sample. Plans are for the sample to be returned to Earth in 2029. NASA is supporting the development of one of the spacecraft's suite of seven science instruments.

"Solving the riddle of how Mars' moons came to be will help us better understand how planets formed around our Sun and, in turn, around other stars," said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate (SMD) at Headquarters in Washington. "International partnerships like this provide high-quality science with high- impact return."

The selected instrument, named MEGANE (pronounced meh-gah-nay, meaning "eyeglasses" in Japanese), will be developed by a team led by David Lawrence of the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland. MEGANE will give MMX the ability to "see" the elemental composition of Phobos, by measuring the energies of neutrons and gamma-rays emitted from the small moon. The elementary particles are emitted naturally as a result of the high-energy cosmic rays and solar energetic particles that continually strike and penetrate the surface of Phobos.

"With MMX, we hope to understand the origin of the moons of Mars," said Masaki Fujimoto, director of the department of solar system science in JAXA's Institute of Space and Aeronautical Sciences. "They may have formed as the result of a large impact on Mars, or they may be captured asteroids of a sort that may have brought a great deal of water to both Mars and Earth."

MEGANE will be developed under NASA's Discovery Program, which provides frequent, low-cost access to space using principal investigator-led space science investigations relevant to SMD's planetary science program.

"We'll see the composition of the region from which MMX collects its sample," said Thomas Statler, program scientist for MMX at NASA Headquarters in Washington. "This will help us better understand what we discover in the laboratory when the mission returns the sample to Earth for analysis."

The Discovery Program is managed by NASA's Marshall Space Flight Center in Huntsville, Alabama for SMD, which conducts a wide variety of research and scientific exploration programs for Earth studies, space weather, the solar system and universe.

MARSDAILY
Insight will carry over two million names to Mars
Pasadena CA (JPL) Nov 06, 2017
Last month, NASA invited members of the public to send their names to Mars. And the public responded loud and clear. More than 1.6 million people signed up to have their names etched on a microchip that will be carried on NASA's upcoming InSight mission, which launches in May of 2018. NASA's Jet Propulsion Laboratory in Pasadena, California, reopened the opportunity after it proved s ... read more

Related Links
Discovery Program at NASA
Mars News and Information at MarsDaily.com
Lunar Dreams and more


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