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2015
Mercury is the smallest among the planets of our solar system. Its diameter is only about 2/5 of that of the Earth, about 4880 km. Even some moons of Jupiter and Saturn, Ganymede and Titan, are bigger. Mercury is the planet closest to the Sun and named after the roman God of dealers and thieves.
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Mercury is the smallest among the planets of our solar system. Its diameter is only about 2/5 of that of the Earth, about 4880 km. Even some moons of Jupiter and Saturn, Ganymede and Titan, are bigger. Mercury is the planet closest to the Sun and named after the roman God of dealers and thieves.
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2016
NASA’s Messenger spacecraft is the first probe ever to orbit the planet Mercury. It began orbiting the innermost planet in the solar system in 2011 and has recorded more than 200,000 photos of Mercury.
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NASA’s Messenger spacecraft is the first probe ever to orbit the planet Mercury. It began orbiting the innermost planet in the solar system in 2011 and has recorded more than 200,000 photos of Mercury.
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2007
Mercury is one of Earth’s cosmic neighbors, regularly approaching to within 80 million km (50 million mi)—closer than any planet other than Venus and Mars. At such times, it becomes a tiny beacon that rivals Sirus, the brightest star in the sky. Yet although the existence of this elusive little planet has been recognized since prehistoric times, it ...
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Mercury is one of Earth’s cosmic neighbors, regularly approaching to within 80 million km (50 million mi)—closer than any planet other than Venus and Mars. At such times, it becomes a tiny beacon that rivals Sirus, the brightest star in the sky. Yet although the existence of this elusive little planet has been recognized since prehistoric times, it ...
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Thermophysics of the planet Mercury
Space Science Reviews, 1970Recent observations of the thermal emission of Mercury at microwave and infrared frequencies now permit a determination of the thermal and electrical properties of the subsurface of the planet. Radar and optical measurements show that the rotation period is 58.65 days, 2/3 of the orbital period.
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Mercury: Inside the Iron Planet
Elements, 2019Steven A. Hauck, Catherine L. Johnson
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