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Earth is a terrestrial planet. It is small and rocky. Earth's atmosphere is the right thickness to keep the planet warm so living things like us can be there. It’s the only planet in our solar system we know of that supports life. It is mostly nitrogen, and it has plenty of oxygen for us to breathe.
The Solar System, drawn to scale, but not at the correct relative distances. The 4 outer planets are larger and cooler. They contain gases (plus ices). Together they contain 99% of the mass that orbits the Sun. They are often called giant planets. There are gas giants: Jupiter and Saturn. And ice giants: Uranus and Neptune.
is smaller than Jupiter, but still much larger than Earth. Saturn is well known for its rings, which are made up of small particles (rocks, ice, water and gases) circling the planet. Distance from sun: 887.14 billion miles / 1,427 billion km. Your weight: if you weigh 100 pounds on Earth, you would weigh 108 pounds on Saturn.
What is a planet? Under the 2006 definition for "planet," Pluto lost full planet status. Learn about a proposed new definition. Read More. Will the official definition of a planet change … again
Jupiter is the biggest planet in our solar system. It is actually more than twice as massive than the other planets of our solar system combined. Jupiter is a gas giant. It is made mostly of hydrogen and helium. Jupiter has a very thick atmosphere. Jupiter has rings, but they’re very hard to see.
NASA’s award-winning Space Place website engages upper-elementary-aged children in space and Earth science through interactive games, hands-on activities, fun articles and short videos. With material in both English and Spanish and numerous resources for kids, parents and teachers, Space Place has something for everyone.
The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris.
The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris. Get the Facts.
Earth – our home planet – is the third planet from the Sun, and the fifth largest planet. It's the only place we know of inhabited by living things. Quick Facts
The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond.