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Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius , god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
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 Mercury, the smallest and fastest planet in our solar system, with NASA's overview, stories, images and more. Find out how Mercury's surface, orbit, atmosphere and history inspire science fiction and exploration.
Jun 3, 2024 · Mercury, the innermost planet of the solar system and the eighth in size and mass. Its closeness to the Sun and its smallness make it the most elusive of the planets visible to the unaided eye.
Learn about Mercury, the smallest and fastest planet in our solar system, and its extreme temperatures, surface features, and magnetic field. Find out why Mercury is named after the Roman god of speed and why it has no moons or rings.
Learn about Mercury, the smallest and fastest planet in our solar system. Find out how it looks, how it spins, and what it is made of.
Oct 19, 2018 · 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.
