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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.

  2. Mercury - Science@NASA

    May 7, 2025 · Mercury Facts Mercury is the smallest planet in our solar system and the nearest to the Sun. Mercury is only slightly larger than Earth's Moon. It's the fastest planet, zipping …

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

    Oct 3, 2025 · Mercury is the smallest planet in the solar system, and it is also the planet closest to the Sun, making it the most difficult of the planets to see with the unaided eye.

  4. Mercury, world of extremes | The Planetary Society

    Mercury is the smallest planet in the Solar System and the closest one to the Sun. It's also a little-explored world, full of mystery, with a surface split into extremes and an interior that puzzles …

  5. Mercury Facts | Mercury Size | Mercury Planet Color | How Big Is ...

    2 days ago · Mercury is the smallest planet in the Solar System in both mass and diameter. It’s 18 times less massive than the Earth, and its diameter barely reaches two-fifths of the Earth’s size.

  6. Planet Mercury, explained - National Geographic

    Oct 19, 2018 · Named for the fleet-footed Roman messenger god, Mercury is the closest planet to the sun, zipping around our parent star at an average of 36 million miles away. However, …

  7. Mercury

    Mercury is a financial technology company, not a bank. Banking services provided through Choice Financial Group, Column N.A., and Evolve Bank & Trust; Members FDIC.

  8. Mercury Planet: Definition, Density, Color, Facts, Discovery ...

    Mar 27, 2025 · Mercury is the smallest planet in the solar system and the closest to the Sun. Mercury exhibits a grayish color, high density, and extreme temperature fluctuations between …

  9. Mercury facts | BBC Sky at Night Magazine

    Facts about the planet Mercury, including surface features, missions and the history of our relationship with the closest planet to the Sun.

  10. Mercury Planet Facts - Science Notes and Projects

    Mar 26, 2024 · Mercury is the closest planet to the Sun and the smallest planet in the Solar System. It gets its name for the Roman god Mercury, who was the swift messenger of the gods.