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.

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 …

Oct 21, 2025 · 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 …

Nov 13, 2025 · Mercury has been a cooled molten rock for billions of years, and it is the only planet in our Solar System that is bare rock. Planet Mercury is named after the Roman god …

5 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.

Jun 26, 2025 · Facts about the planet Mercury, including surface features, missions and the history of our relationship with the closest planet to the Sun.

Apr 25, 2025 · Mercury is the smallest planet in our solar system and nearest to the Sun. It's only slightly larger than Earth's Moon. From the surface of Mercury, the Sun would appear more …

Mercury (toy manufacturer), a brand of diecast toy cars manufactured in Italy Mercury Communications, a British telecommunications firm set up in the 1980s Mercury Corporation, …

Oct 21, 2025 · With a radius of about 2,440 km (1,516 miles), Mercury is the smallest major planet, smaller even than Jupiter’s largest moon, Ganymede, or Saturn’s largest moon, Titan. …

Sep 25, 2025 · Mercury has been known since ancient times because it can be seen without advanced telescopes. Because it is so close to the Sun, Mercury is hard to study from Earth.