The Solar System

The Solar System
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The Sun

The Sun

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The Sun
Image Credit: Wikipedia

The Sun is the star at the center of the Solar System. The Sun gives off energy as electromagnetic radiation. That includes light, infra-red energy (heat), ultraviolet light and radio waves. It also gives off a stream of particles, which reaches Earth as "solar wind". The source of all this energy is the reaction in the star which turns hydrogen into helium and makes huge amounts of energy.

The Sun is a star like many others in our Milky Way galaxy. It has existed for a little over 4.5 billion years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of 1.9891 x 1030 kg, which is 333,000 times the mass of the Earth.[1]

Footnotes:
1. http://simple.wikipedia.org/wiki/Sun
Hydrogen (H)

Hydrogen (H)

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Helium (He)

Helium (He)

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Planets

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Plantary data is from: https://solarsystem.nasa.gov/planets/charchart.cfm , April 11, 2014
Mercury

Mercury

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Venus

Venus

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Earth

Earth

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Mars

Mars

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Jupiter

Jupiter

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Saturn

Saturn

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Uranus

Uranus

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Neptune

Neptune

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