Facts About Earth - NASA Science
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. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface.
All About Earth | NASA Space Place – NASA Science for Kids
2024年11月8日 · Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet.
Earth | Glenn Research Center | NASA
2023年11月22日 · The Earth is our home planet. It is the third planet from the Sun and orbits the Sun at an average distance of approximately 93 million miles (149 million km). The Earth rotates on its axis, completing one revolution every 24 hours with respect to the Sun (23 hrs. 56 min with respect to the stars).
Planet Earth facts and information - National Geographic
Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life.
What Is Earth? (Grades K-4) - NASA
2017年10月4日 · Earth is our home planet. Scientists think Earth formed billions of years ago. Four planets in the solar system are bigger than Earth. Three planets are smaller. It is the third-closest planet to the sun. Only Mercury and Venus are closer.
Earth - Wikipedia
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.
Earth, our home planet - The Planetary Society
Earth is the fifth-largest planet in our Solar System and the third planet from the Sun. It sits in our Sun’s habitable zone, the not-too-hot, not-too-cold region around a star where liquid water can exist on a planet’s surface.
What Is Earth? (Grades 5-8) - NASA
2017年10月4日 · Earth is our home planet. Scientists believe Earth and its moon formed around the same time as the rest of the solar system. They think that was about 4.5 billion years ago.
Earth | Definition, Size, Composition, Temperature, Mass, & Facts ...
4 天之前 · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life.
In Depth | Earth – NASA Solar System Exploration
Our home planet is the third planet from the Sun, and the only place we know of so far that’s inhabited by living things. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface.