mercury

2024-05-17


Learn about Mercury's name, temperature, composition, retrograde, potential for life and more. Mercury is the closest and fastest planet to the sun, but also the smallest and most extreme in our solar system.

Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum (/ h aɪ ˈ d r ɑːr dʒ ər ə m / hy-DRAR-jər-əm) from the Greek words hydor (water) and argyros (silver).

Learn about the smallest and fastest planet in our solar system, its origin, surface, and missions. Find out how Mercury's orbit, rotation, and temperature create unique features and phenomena.

Mercury is a naturally occurring element that is found in air, water and soil, and can be toxic to the nervous, digestive and immune systems, lungs, kidneys, skin and eyes. It is mainly exposed to people through consumption of fish and shellfish contaminated with methylmercury, or through inhalation of elemental mercury vapours. WHO provides key facts, health effects, sources and prevention measures for mercury exposure.

Learn about Mercury's temperature, size, surface, magnetic field, atmosphere, orbit and more. Find out how Mercury's interior, history and exploration have shaped its unique features and challenges.

Learn about Mercury, the smallest and fastest planet in our solar system, with extreme temperatures, no atmosphere, and a large metallic core. Find out how Mercury's surface, orbit, rotation, and magnetosphere differ from other planets and why it is named after the Roman god of speed.

Learn about the smallest, hottest, and most cratered planet in the Solar System. Find out how Mercury is tidally locked to the Sun, has a molten core, and has wrinkles on its surface. Discover its history, exploration, and features with diagrams and facts.

Mercury spins much more slowly than Earth, with its day lasting about 58 Earth days. Scientists often use tiny variations in the way an object spins to reveal clues about its internal structure. In 2007, radar observations made from Earth revealed small shifts in the spin of Mercury, called librations, that proved some of Mercury's core must ...

The carbon emissions of large igneous province magmatism are commonly associated with severe environmental crises. We developed a technique that used sedimentary mercury records to estimate these ...

Mercury, like Venus, appears to go through phases like the moon. During early-March, just when Mercury started appearing very low in the western twilight sky, it was a nearly full disk, which is ...

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