- 远日点152,100,000 km（94,500,000 mi） · （1.01673 AU）
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. The remaining 29.2% of Earth's crust is land, most of whic… 展开
海洋世界和生命的摇篮地球是一个非凡的星球，支持着各种形式的生命。它是宇宙中唯一一个液态水覆盖大部分表面的地方，创造了一个广阔的海洋世界。EtymologyThe Modern English word Earth developed, via Middle English, from an Old English noun most often spelled eorðe. It has cognates in every Germanic language, and their ancestral root has been reconstructed as *erþō. … 展开
Earth
Explore in the solar systemEarth is the third planet from the sun, and the only place we know of so far that’s inhabited by living things. It is the only world in our solar system with liquid water on the surface. Slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the sun, all of which are made of rock and metal.Radius: 3,958.76 milesType: terrestrialSurface temperature: from -126.4 to 136.4°FGravity: 32.19 feet/s²数据来源:NASAFacts About Earth - NASA Science
- Namesake. The name Earth is at least 1,000 years old. All of the planets, …
- Potential for Life. Earth has a very hospitable temperature and mix of …
- Size and Distance. With an equatorial diameter of 7926 miles (12,760 …
- Orbit and Rotation. As Earth orbits the Sun, it completes one rotation every …
- Moons. Earth is the only planet that has a single moon. Our Moon is the …
Earth | Definition, Size, Composition, Temperature, …
网页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 …
In Depth | Earth – NASA Solar System Exploration
- With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall. From an average distance of 93 million miles (150 million kilometers), Earth is exactly one astronomical unit away from the Sun because one astronomical unit (abbreviated as AU), is the distance from the Sun to Eart...
Earth - NASA Science
网页NASA's Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.
Earth - National Geographic Society
网页2024年4月30日 · Earth is the planet we live on, one of eight planets in our solar system and the only known place in the universe to support life. Earth is the third planet from the sun, after Mercury and Venus, and before …
All About Earth | NASA Space Place – NASA Science for Kids
网页3 天之前 · 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 Earth: Everything you need to know - Space.com
网页2023年4月12日 · Earth is the only planet in the universe known to possess life. The planet boasts several million described species, living in habitats ranging from the bottom of the deepest ocean to a few...
Planet Earth facts and information - National Geographic
网页Learn about Earth's features, layers, atmosphere, and climate, and how it differs from other planets. Find out how Earth's geology, life, and seasons are shaped by its orbit and rotation.
- 某些结果已被删除
