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Hace 2 días · 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. It is designated by the symbol ♁.
- Basic Planetary Data
Earth - Planet, Atmosphere, Geology: The mean distance of...
- The Atmosphere
Earth - Atmosphere, Climate, Ozone: Earth is surrounded by a...
- Accretion of the Early Earth
Earth - Accretion, Formation, Core: As the gas making up the...
- Planetary Differentiation
Earth - Differentiation, Formation, Structure: Once hot,...
- The Interior
Earth - Core, Mantle, Crust: More than 90 percent of Earth’s...
- Structure, Composition, Development
Earth - Structure, Composition, Development: The origin of...
- The Outer Shell
Earth - Core, Crust, Mantle: Earth’s outermost, rigid, rocky...
- Near Earth Asteroid Rendezvous
Near Earth Asteroid Rendezvous Shoemaker (NEAR Shoemaker),...
- Basic Planetary Data
13 de jun. de 2024 · Learn about Earth, our home planet, with this interactive website from NASA. Find out about its structure, surface, atmosphere, time, neighbors, history, and more.
13 de jun. de 2024 · Todo sobre la Tierra. Nuestro hogar, el planeta Tierra, es un planeta terrestre y rocoso. Tiene una superficie sólida y activa, con montañas, valles, cañones, llanuras y mucho más. La Tierra es especial porque es un planeta océano, ya que el agua cubre el 70% de su superficie. ¡Descubre la Tierra! Haz clic y arrastra para hacer rotar el planeta.
13 de jun. de 2024 · Learn more about Earth and all the planets in our solar system with games, crafts, activities and media. Explore the atmosphere, weather, oceans, moon, surface, satellites and more.
Hace 4 días · 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.
Hace 3 días · Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. Volcanic outgassing probably created the primordial atmosphere and then the ocean, but the early atmosphere contained almost no oxygen. Much of the Earth was molten because of frequent collisions with other bodies ...
Hace 1 día · Earth’s magnetic field yanks at this solid ball of hot metal, making it spin. At the same time, the gravity and flow of the fluid outer core and mantle drag at the core. Over many decades, the ...