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Mercury is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth. It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). Mercury is also smaller—albeit more massive—than the largest natural satellites in the Solar System, Ganymede and Titan.
An old [10] pound coin (density ~7.6 g/cm 3) floats on mercury due to the combination of the buoyant force and surface tension. Mercury is a heavy, silvery-white metal that is liquid at room temperature. Compared to other metals, it is a poor conductor of heat, but a fair conductor of electricity.
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.
4 days ago · 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 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 planet is small, Mercury is very dense.
Introduction Mercury’s surface temperatures are both extremely hot and cold. Because the planet is so close to the Sun, day temperatures can reach highs of 800°F (430°C). Without an atmosphere to retain that heat at night, temperatures can dip as low as -290°F (-180°C).
Jun 9, 2023 · Mercury is the closest planet to the sun and the smallest planet in the solar system. Here we explore the strange world in more detail.
Jul 9, 2024 · Credit: NASA/JPL-Caltech. 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.
Oct 19, 2018 · Mercury has no rings, no moons, and a relatively weak magnetic field. Mercury is a scarred world covered in craters, ridges, and bright debris from numerous impacts.
A Brief Overview of Mercury. Mercury is the closest planet to the Sun, and the smallest planet in the solar system. It has a large iron core that accounts for about three-quarters of its mass. By contrast, Earth ’s iron core accounts for only one-third of its mass. Compare the sizes and order of the planets.
