Mercury

  • Is this Meteorite a Piece of Planet Mercury?
    A team of scientists believe that they may have identified a meteorite from Mercury based on its composition and data from NASA's MESSENGER spacecraft.
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    Data from NASA's MESSENGER spacecraft supports the hypothesis that the planet Mercury harbors abundant water ice in its permanently shadowed craters. The finding is helping astrobiologists understand how water may have been delivered to planets like Earth as the Solar System formed.
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    Tiny pieces of rock captured from the astroid Itokawa by the Japanese mission Hayabusa are now being analyzed. It is the first time asteroid samples have been returned to Earth, and they could help astrobiologists understand the origin of the Solar System.
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  • Mercury Helps Scientists Measure the Size of the Sun
    By using a spacecraft to time the transits of the planet Mercury across the face of the Sun, scientists have measured the diameter of our star with unprecedented accuracy.
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    New observations from the MESSENGER spacecraft have revealed that the planet Mercury harbors a very unusual interior.
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    Astrobiology Magazine is highlighting the top 10 stories of 2011. At number eight, NASA's MESSENGER spacecraft returns a wealth of surprising data from the tiny planet Mercury. (Originally published 10/12/2011)
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    MESSENGER has discovered strange features on the surface of Mercury.
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    Data from the MESSENGER spacecraft's first six months in orbit is providing new information about the physical properties of Mercury. The results will help astrobiologists understand the diverse types of rocky planets that can exist in the Universe.
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  • Mercury is Not Like Other Planets
    Data from MESSENGER shows that Mercury has some important differences when compared to the other terrestrial planets of the Solar System.
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  • Extreme Space Weather Blasts Mercury’s Poles
    New data shows how the solar wind sandblasts the surface of Mercury at the planet's poles.
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  • Mercury’s Surprises
    Data from MESSENGER is providing clues about the origin of Mercury and its geological history.
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  • New Images of Mercury Just the Beginning
    NASA's MESSENGER spacecraft has returned 1500 images from orbit around Mercury. The instruments on MESSENGER are working, and the mission is now poised to help scientists understand the evolution of the small, rocky planet that lies closest to the Sun.
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  • MESSENGER Begins Historic Orbit around Mercury
    NASA's MESSENGER probe has become the first spacecraft to enter into orbit around the planet Mercury. Studying Mercury will help astrobiologists understand the nature of small, rocky planets and the conditions that lead to habitability on such worlds.
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  • Messenger to Enter Mercury Orbit
    NASA's MESSENGER spacecraft is preparing to become the first craft to enter orbit around Mercury. If the orbit insertion is successful, it will spend one year collecting data about our solar system's innermost planet.
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  • Mercury Rising
    On its final flyby of Mercury, NASA's Messenger spacecraft has captured images of never before seen regions of the planet. Messenger is providing new scientific findings about the closest planet to the sun, and teaching astrobiologists about how rocky planets form and evolve.
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