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  1. Mercury (planet) - Wikipedia

    Mercury is the first planet from the Sun and the smallest in the Solar System. It is a rocky planet with a trace atmosphere and a surface gravity slightly higher than that of Mars. The surface of Mercury is …

  2. Mercury | Facts, Color, Size, & Symbol | Britannica

    Jan 6, 2026 · Mercury has a radius of about 2,440 km, and its surface area is 74,797,000 km 2. Its mass is 3.30 × 10 23 kg. Mercury is the smallest major planet in both size and mass.

  3. Mercury Facts - Science@NASA

    Apr 25, 2025 · 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 …

  4. What is The Mass of Mercury Compared to Earth in Percentage

    Feb 26, 2024 · Mercury is the smallest planet in our solar system, and as a result, it possesses a relatively small mass. With a mass of approximately 0.055 times that of Earth, Mercury is …

  5. Mass & Density of Mercury: Planet Mercury's Size, Diameter & Gravity

    At 5.427 g/cm³, Mercury has the second largest density in the Solar System. It is only slightly denser than Earth. Its density is the biggest thing in common that Earth and Mercury share. Mercury’s mass …

  6. Mercury - Las Cumbres Observatory

    It takes 88 Earth days to orbit the Sun, and rotates very slowly at a rate of 1 rotation every 58.7 Earth days. Its mass is 3.3 x 10 23 kg or 0.055 Earth masses. It has no moons, little to no atmosphere …

  7. Mass of Mercury (Terrestrial Planet) - webconversiononline.com

    Find Mass of Mercury (Terrestrial Planet) its density, volume, surface gravity, category and related information and mass of different solar system planets, moons, comets, asteroids, centaurs and …

  8. Mercury (Planet) — Radius, Mass, Orbital Period ... - GalaxyCalc

    The mass of Mercury in kg is approximately 3.30e+23 kg, which is 18.09× less than Earth's mass. This substantial mass creates a significant gravitational field that influences everything from atmospheric …

  9. Planet Mercury Facts - Mercury Pictures

    Scans of the planet made by Earth-based radar indicate that craters at its poles contain water ice. It travels round the sun faster than any other planet, taking only 88 days to make a full orbit of the sun. …

  10. What is the weight of Mercury? - CK-12 Foundation

    The mass of the planet Mercury is approximately 3.285 × 10 23 kg. This is only 6% of Earth's mass.