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  1. en.wikipedia.org › wiki › Mercury_(planet)Mercury (planet) - Wikipedia

    The resonance makes a single solar day (the length between two meridian transits of the Sun) on Mercury last exactly two Mercury years, or about 176 Earth days. Mercury's orbit is inclined by 7 degrees to the plane of Earth's orbit (the ecliptic), the largest of all eight known solar planets.

  2. science.nasa.gov › mercury › factsMercury: Facts - NASA Science

    Mercury formed about 4.5 billion years ago when gravity pulled swirling gas and dust together to form this small planet nearest the Sun. Like its fellow terrestrial planets, Mercury has a central core, a rocky mantle, and a solid crust.

  3. space-facts.com › mercuryMercury Facts - Interesting Facts about Planet Mercury - Space...

    A year on Mercury is just 88 days long. One solar day (the time from noon to noon on the planet’s surface) on Mercury lasts the equivalent of 176 Earth days while the sidereal day (the time for 1 rotation in relation to a fixed point) lasts59 Earth days.

  4. science.nasa.gov › mercuryMercury - NASA Science

    But Mercury is the fastest planet, zipping around the Sun every 88 Earth days. Mercury is appropriately named for the swiftest of the ancient Roman gods. Eyes on the Solar System lets you explore the planets, their moons, asteroids, comets and the spacecraft exploring them from 1950 to 2050.

  5. spaceplace.nasa.gov › all-about-mercury › enAll About Mercury | NASA Space Place – NASA Science for Kids

    Time on Mercury. A day on Mercury lasts 59 Earth days. A year on Mercury lasts 88 Earth days. Mercury’s Neighbors. Mercury does not have any moons. Mercury is the closest planet to the Sun. Venus is Mercury’s neighboring planet. Quick History. Mercury has been known since ancient times because it can be seen without advanced telescopes.

  6. www.britannica.com › place › Mercury-planetMercury | Facts, Color, Size, & Symbol | Britannica

    Jun 3, 2024 · Mercury's average orbital distance from the Sun is 58 million km (36 million miles) and it has the shortest year (a revolution period of 88 days). In comparison, the mean distance of Earth from the Sun is about 150 million km (93 million miles).

  7. nssdc.gsfc.nasa.gov › planetary › factsheetMercury Fact Sheet - NSSDCA

    Jan 11, 2024 · Mercury Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 77.3 Maximum (10 6 km) 221.9 Apparent diameter from Earth Maximum (seconds of arc) 13.0 Minimum (seconds of arc) 4.5 Maximum visual magnitude -2.43 Mean values at inferior conjunction with Earth Distance from Earth (10 6 km) 91.69 Apparent diameter (seconds of arc) 11.0