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
Mercury | Facts, Color, Size, Symbol | Britannica 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
ESA - Meet Mercury 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 temperature variations at its surface, from about +430ºC, down to –180ºC
Mercury – Astronomy Extras and Interactives Mercury’s mass is one-eighth that of Earth, making it the smallest terrestrial planet Mercury is the smallest planet (except for the dwarf planets), having a diameter of 4878 kilometers, less than half that of Earth
Mass Density of Mercury: Planet Mercurys 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 is considerably smaller than that of Earth’s
How Big is Mercury? The Size Is Changing and Heres Why | Space But because Mercury's small mass is enclosed inside of a tiny body, the planet is the second densest in the solar system, weighing in at 5 427 grams per cubic centimeter, or 98 percent of the
What is The Mass of Mercury Compared to Earth in Percentage 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 approximately 330 times less massive than our home planet
Mercury Planet Facts - Science Notes and Projects 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 compared to the other terrestrial planets