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  1. en.wikipedia.org › wiki › EarthEarth - 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.

    • History of Earth

      Earth formed around 4.54 billion years ago, approximately...

    • The Blue Marble

      The Blue Marble is a photograph of Earth taken on December...

    • Talk

      Earth is a featured article; it (or a previous version of...

    • Download as PDF

      We would like to show you a description here but the site...

  2. Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. [4] [5] [6] 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 ...

  3. Earth turns at an angle (an "axial tilt") in relation to its path around the Sun. Earth is one of the eight planets in the Solar System. There are also thousands of small bodies which move around the Sun. The Solar System is moving through the Orion Arm of the Milky Way galaxy, and will be for about the next 10,000 years. [40] [41]

  4. Learn about Earth's size, orbit, rotation, seasons, moon, structure, surface, and more from NASA. Find out how Earth is unique among the planets and why it is the only place we know of with life.

  5. Google Earth ονομάζεται το πρόγραμμα απεικόνισης της Γης το οποίο είναι διαθέσιμο στο Διαδίκτυο. Κατασκευάστηκε από την εταιρεία Keyhole Inc. με το όνομα Earth Viewer 3D.

  6. 1 ημέρα πριν · 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 harbor life.

  7. The internal structure of Earth are the layers of the Earth, excluding its atmosphere and hydrosphere. The structure consists of an outer silicate solid crust , a highly viscous asthenosphere , and solid mantle , a liquid outer core whose flow generates the Earth's magnetic field , and a solid inner core .

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