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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 percent of the planet's radius. There is evidence that it is partly molten or liquid. Mercury's outer shell, comparable to Earth's outer shell (called the mantle and crust), is only about 400 kilometers ...
Jun 9, 2023 · Mercury speeds around the sun every 88 Earth days, traveling through space at nearly 112,000 mph (180,000 km/h), faster than any other planet. Its oval-shaped orbit is highly elliptical, taking ...
May 15, 2022 · Mercury is the closest planet to the sun and the smallest planet in our solar system.With a diameter of about 3,032 miles (4,880 kilometers), Mercury is less than half the size of Earth, which is ...
Jun 13, 2024 · Mercury is the smallest planet in our solar system. Mercury is a terrestrial planet. It is small and rocky. Mercury has a thin exosphere. Mercury’s surface can be as hot as 800 degrees F during the daytime and as cold as -300 degrees F during the nighttime. (But Mercury is not the hottest planet in the solar system.
Mercury, Innermost planet of the solar system. Its average distance from the Sun is about 36 million mi (58 million km), but its highly elliptical orbit carries it 7.5 million mi (12 million km) nearer to and farther from the Sun. It is the smallest major planet, having a diameter of about 3,030 mi (4,880 km) and a mass about one-eighteenth of ...
Mercury is the smallest planet in our solar system, and the nearest to the Sun. Explore Mercury. Venus Facts. Venus is the second planet from the Sun, and Earth's ...
Jan 11, 2024 · Mercury Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 77.3 Maximum (10 6 km) 221.9 Apparent diameter from Earth Maximum (seconds of arc) 13.0 Minimum (seconds of arc) 4.5 Maximum visual magnitude -2.43 Mean values at inferior conjunction with Earth Distance from Earth (10 6 km) 91.69 Apparent diameter (seconds of arc) 11.0
