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Observing the Solar System

It was once thought that the Earth was the center of the solar system – called the geocentric model - Ptolemy. Observing the Solar System. It is now thought that the Sun is the center of the solar system – called the heliocentric model - Copernicus. Sun. Corona. Prominence. Chromosphere.

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Observing the Solar System

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  1. It was once thought that the Earth was the center of the solar system – called the geocentric model - Ptolemy Observing the Solar System It is now thought that the Sun is the center of the solar system – called the heliocentric model - Copernicus

  2. Sun Corona Prominence Chromosphere Sunspots Solar Flare Photosphere Core

  3. The only star in our solar system, the sun, has many parts Core – central region that produces enormous amounts of energy. Nuclear fusion occurs here – that is when hydrogen atoms join to form Helium Photosphere – inner layer of the sun Chromosphere – middle layer of the sun Corona – outer layer of the sun – looks like a halo around the sun Sunspots – areas of gas on the sun that are cooler than the gases around them Prominences – reddish loops of gas that link sunspot regions Solar Flare – gas eruptions sent out into space

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