Mercury (planet) - Wikipedia
Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius (Mercury), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
Mercury | Facts, Color, Size, & Symbol | Britannica
2024年10月7日 · 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 unaided eye. Because its rising or setting is always within about two hours of the Sun’s, it is never observable when the sky is fully dark.
Mercury - NASA Science
Mercury is the smallest planet in our solar system and the nearest to the Sun. Mercury is only slightly larger than Earth's Moon. Its surface is covered in tens of thousands of impact craters.
Mercury Facts - Interesting Facts about Planet Mercury - Space Facts
Mercury is the smallest planet in the Solar System. One of five planets visible with the naked eye a, Mercury is just 4,879 Kilometres across its equator, compared with 12,742 Kilometres for the Earth. Mercury is the second densest planet. Even though the …
Mercury Facts - Science@NASA
Mercury is the second densest planet, after Earth. It has a large metallic core with a radius of about 1,289 miles (2,074 kilometers), about 85% of the planet's radius. There is evidence that it is partly molten or liquid.
All About Mercury | NASA Space Place – NASA Science for Kids
Mercury is the smallest planet in our solar system. It’s just a little bigger than Earth’s Moon. Mercury itself, though, doesn’t have any moons. It is the closest planet to the Sun, but it’s actually not the hottest. Venus is hotter. Along with Venus, Earth, and Mars, Mercury is …
Mercury: A complete guide to the closest planet to the sun - Space.com
2023年6月9日 · Mercury is the smallest planet in the solar system — it is only slightly larger than Earth's moon. Since it has no significant atmosphere to stop impacts, the planet is pockmarked with craters.
Planet Mercury, explained - National Geographic
2018年10月19日 · Learn more about the innermost planet in our solar system. Named for the fleet-footed Roman messenger god, Mercury is the closest planet to the sun, zipping around our parent star at an average...
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 scientists. Mercury is only slightly larger than Earth’s Moon.
Mercury: Size, distance from the Sun, orbit | Astronomy.com
2023年10月20日 · Size: Mercury is about 3,032 miles (4,880 kilometers) across. That makes it the smallest planet in the solar system. In fact, Mercury is just a little larger than Earth’s Moon. …