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  1. Hace 2 días · Learn how Terra satellites observe and monitor the Earth’s surface and interior, and how they respond to natural hazards such as earthquakes, volcanoes, and floods. Explore the six scientific challenges and the applications of MODIS, ASTER, and MISR instruments.

    • Weather

      Earth’s Surface & Interior; ... NASA scientists study...

    • Earth

      It takes slightly less than seven minutes for all nine...

  2. en.wikipedia.org › wiki › EarthEarth - Wikipedia

    Most of Earth's surface is ocean water: 70.8% or 361 million km 2 (139 million sq mi). This vast pool of salty water is often called the world ocean, and makes Earth with its dynamic hydrosphere a water world or ocean world. Indeed, in Earth's early history the ocean may have covered Earth completely.

  3. Hace 6 días · Earth’s surface is traditionally subdivided into seven continental masses: Africa, Antarctica, Asia, Australia, Europe, North America, and South America. These continents are surrounded by five major bodies of water: the Arctic , Atlantic , Indian , Pacific , and Southern oceans.

  4. Learn about Earth's size, distance, orbit, rotation, seasons, moon, and more. Find out how Earth is unique among the planets and why it is the only place we know of inhabited by living things.

  5. 6 de dic. de 2019 · Learn about the surface of the Earth, its atmosphere, satellites, history and definition. Find out how Earth is a planet among many others and how it differs from other planets in the Solar System.

  6. 30 de abr. de 2024 · Learn about Earth, the planet we live on, its interior, exterior, revolution, rotation, and more. See maps, photographs, and vocabulary related to Earth's features and processes.

  7. The outermost layer, Earth's crust, goes about 19 miles (30 kilometers) deep on average on land. At the bottom of the ocean, the crust is thinner and extends about 3 miles (5 kilometers) from the seafloor to the top of the mantle. Surface. Surface. Like Mars and Venus, Earth has volcanoes, mountains, and valleys.