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Bookmark or Share- Mercury By the Numbers – NASA Solar System ExplorationMercury is the closest planet to the Sun, and the smallest planet in our solar system - only slightly larger than Earth's Moon.
- In Depth | Venus – NASA Solar System ExplorationAt its nearest to Earth, Venus is some 38 million miles (about 61 million kilometers) distant. But most of the time the two planets are farther apart; Mercury, the innermost planet, actually spends more time in Earth’s proximity than Venus. One more trick of perspective: how Venus looks through binoculars or a telescope.
- In Depth | Our Solar System – NASA Solar System ExplorationOur solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.
- 10 Need-to-Know Things About Mercury - NASA Solar System ExplorationMercury is the fastest planet in our solar system – traveling through space at nearly 29 miles (47 kilometers) per second. The closer a planet is to the Sun, the faster it travels. Since Mercury is the fastest planet and has the shortest distance to travel around the Sun, it has the shortest year of all the planets in our solar system – 88 ...
- Planet Compare – NASA Solar System ExplorationNASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
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