The Earth and the solar system

THE SOLAR SYSTEM

GRACIAS

MAPA

EQUIPO

DATOS

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The solar system

outer structure

definitions

saturn

The biosphere

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the solar system

The solar system consist of a singles stars, the Sun and the planet that orbit it. There are eight planet: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptuno.

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Saturn

The solar system have a lot of planets, Saturn is one of those planets. This planet is the second biggest planet in the solar system. It has a surface area of 42,7 billons of square kilometres ( km2 ). Saturn is the lightest planet because it has an hydrogen atmosphere with ice and methane that make de density of Saturn lower than the density of the water.It is the sixth closest planet to the sun, wich is 1.195 millon kilometers away. Saturn have mor than 1 satellites (Moons), 200 satellite , is the planet that have the most satellites. Saturn has rings because around stones and dust that do not come togethers to form satellites. Video:

https://www.youtube.com/watch?v=epZdZaEQhS0

Video 1

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Video 2

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THE BIOSPHERE OF THE EARTH

The Earth is the only planet in the Solar System were live exist, this is possible with following conditions:*the Earth have the ideal temperature for life. It is the right distance for the Sun so it is not too hoot not too cold. *The atmospere is a leyer of gases that protects the Earth from the Sun's radiation. * water is necessary for ol living things. The biosphere is the ecological system in wich life exist.

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THE OUTER ESTRUCTURE OF THE EARTH

The Earth's surface is made up of three parts: a layer, large bodies of water and land. The atmosphere is the layer of gases that surround the Earth. It consists of nitrogen, oxygen, water vapour, carbon dioxide and other gases. The hydrosphere is ol the water that exist in the Earth: oceans and seas, rivers and lakes, ground water, ice and water vapour. The lithosphere is the Earth's solid outer layer. It consists of the continents and sud merged land under the oceans and seas.

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definitions

*Solar System: The sun together with the group of celestial bodies that are held by its attraction and revolve around it. *Star: A natural luminuon body visible in the sky specially at night. *Planet: A celestial body moving in an elliptical orbit round a stars. *Satellite: Astronomical bodies that orbit planets. *Biosphere: The ecological system in which all living things exist between 3,000 m above sea level, and 2,000 m below sea level. *Atmosphere: The layer of gases surrounding the Earth up to an altitude of more than 1,000 km. *Hydrosphere: All the water that exists on the Earth. *Lithosphere: The solid outer layer of the Earth.

¡Thaks for watch it!