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The Swift Planet. Mercury is the closest planet to the Sun. It is known as the Swift Planet because of how fast it travels through space—a whopping 29 miles per second (47 kilometers per second). Because it is the fastest planet in our Solar System, and the closest to the Sun—and therefore the shortest orbital path—it also has the ...
Mar 15, 2018 · The planet Mercury lies closest to the Sun, orbiting every 88 days. This tiny, crater-ridden world has intrigued planetary scientists for decades, housing water ice at its poles and zipping around ...
Aug 1, 2022 · Mercury. Mercury is the closest planet to the Sun in our solar system. Mercury is the smallest planet in the solar system with a diameter of 3,032 miles, only 435 miles larger than Earth’s moon. Mercury is a rocky world with an iron core and a rocky crust. Since Mercury is visible without needing any kind of equipment, its existence has been ...
Oct 19, 2023 · Mercury 101. The planet Mercury is named after the messenger of the Roman gods because of its fleeting nature across the sky. Find out the reason behind its incredible speed, if it is indeed the hottest planet in the Solar System, and why the smallest planet in the solar system is slowly shrinking.
Mar 30, 2011 · What Is the Planet Mercury? (Grades 5-8) This article is for students grades 5-8. Mercury is the smallest and fastest planet in the solar system. It is also the closest planet to the sun. It is named after the Roman messenger god Mercury, the fastest Roman god. The planet Mercury was known by ancient people thousands of years ago. It has no moons.
Mar 26, 2024 · Planet Type: Terrestrial; Mercury’s Size. Mercury is the smallest planet in our solar system. When compared to Earth, it’s significantly smaller, with a diameter just about 38% of Earth’s. It is closer in size to our Moon, being only about 1.4 times larger than the Moon. Because of its small size, gravity is weaker.
Introduction. The planetary system we call home is located in an outer spiral arm of the Milky Way galaxy. Our 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.
