Early in the Solar System's history, Mercury may have been struck by a planetesimal of approximately 1⁄6 Mercury's mass and several thousand kilometers across. [44]

Nov 29, 2025 · 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.

Among the four inner Solar System planets, Mercury is the smallest and very dense, its vast iron core dominating its internal structure. As the closest planet to the Sun it experiences extreme …

Dec 15, 2015 · The Mass (Mercury) provides the approximate mass of the planet Mercury. The mass of Mercury is: 0.00000017 Solar Masses 0.00017387 Jupiter Masses 0.05525611 Earth …

Apr 25, 2025 · Despite its proximity to the Sun, Mercury is not the hottest planet in our solar system – that title belongs to nearby Venus, thanks to its dense atmosphere. But Mercury is …

Mar 27, 2025 · Mercury’s mass is 3.3010 x 10^23 kg (7.28 x 10^22 lbs), 20 times less massive than Earth. Mercury’s size is smaller when compared to other celestial bodies in the solar system.

3 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.

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 …

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

Mar 26, 2024 · Core: One of Mercury’s most notable features is its disproportionately large core, which makes up about 60% of the planet’s total mass. This is significantly larger in proportion …