Mercury

  • Mercury's Ancient Magma Ocean
    Scientists have partially reconstructed Mercury's history over billions of years, revealing that the planet may have harbored a large, rolling ocean of magma.
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  • 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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  • 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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