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www.space.com/22-top-10-extreme-planet-facts.html

Our solar system's planets vary greatly in size, composition, temperature, chemistry and geology. Here are some notable extreme facts about the planets that orbit our Sun.

space-facts.com/mercury

Facts about Mercury. Mercury does not have any moons or rings. Mercury is the smallest planet. Mercury is the closest planet to the Sun. Your weight on Mercury would be 38% of your weight on Earth.

space-facts.com/planets

Facts about the Planets. Mercury’s craters are named after famous artists, musicians and authors. Venus is the hottest planet in the solar system. Earth’s atmosphere protects us from meteoroids and radiation from the Sun. There have been more missions to Mars than any other planet. Jupiter has more than double the mass of all the other ...

planetfacts.org

Since the beginning of time, humans have been fascinated by the planets in outer space. This website, provides facts about the planets which will amaze and interest you. As well as facts, we offer a range of other things, such as pictures, history, wallpapers and more.

space-facts.com/earth

Earth is the third planet from the Sun and is the largest of the terrestrial planets.The Earth is the only planet in our solar system not to be named after a Greek or Roman deity. The Earth was formed approximately 4.54 billion years ago and is the only known planet to support life.

theplanets.org/planets

Planet Facts. Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. With the exception of Uranus and Neptune, each of these planets can be seen unaided. All eight planets can be see through the use of an inexpensive amateur telescope or binoculars.

www.universetoday.com/33415/interesting-facts-about-the-planets

Universe Today has many articles on interesting facts about the planets. Start with 10 facts about Mercury and 10 facts about Venus. You may also want to check out the 10 facts about Mars.

space-facts.com/mars

Facts about Mars. Mars and Earth have approximately the same landmass. Even though Mars has only 15% of the Earth’s volume and just over 10% of the Earth’s mass, around two thirds of the Earth’s surface is covered in water. Martian surface gravity is only 37% of the Earth’s (meaning you could leap nearly three times higher on Mars).

theplanets.org/mercury

Mercury Facts. Mercury is the closest planet to the Sun and is also the smallest of the eight planets in our solar system. For every 2 orbits of the Sun, which takes around 88 Earth days, Mercury completes three rotations of its axis. It is gravitationally locked and this rotation is unique to the solar system.

www.thoughtco.com/facts-about-sun-planets-comets-asteroids-3073635

A journey through the solar system introduces us to the Sun, which is our nearest star. It contains an amazing 99.8 percent of the mass of the solar system. The planet Jupiter is the next most-massive object and it comprises two and a half times the mass of all the other planets combined.