News tagged with neutron spectrometer

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 abundance of iron-rich minerals. ...

dateMar 07, 2016 in Space Exploration
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Protecting astronauts from space radiation

(Phys.org)—The complexities of traveling to and working in space present challenges to astronauts that NASA scientists and engineers have been working on since Neil Armstrong and Buzz Aldrin first stepped on the moon more ...

dateNov 09, 2012 in Space Exploration
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Dawn spacecraft spirals down to lowest orbit

(PhysOrg.com) -- NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations. The spacecraft is now circling Vesta at an altitude ...

dateDec 13, 2011 in Space Exploration
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