The Sun

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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Hydrogen (H)
Hydrogen (H) ::: characteristics
0.00008988

Density (g/m3): 0.00008988

2.2

Electronegativity - Pauling scale: 2.2

Primordial

Occurrence: Primordial

14.304

Spcfc Heat Cpcty: 14.304

1400

Abundance (mg/kg): 1400

1.0082

Atomic Weight: 1.0082

14.01

Melt (K): 14.01

Electron Configuration: 1s1

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20.28

Boil (K): 20.28

1

Atomic Number (Z): 1

Hydrogen (H) ::: example of:

Hydrogen (H) ::: example of:

Elements

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Diatomic nonmetals

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Group 1

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Period 1

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Helium (He)

Helium (He)

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Helium (He)
Helium (He) ::: characteristics
0.0001785

Density (g/m3): 0.0001785

Primordial

Occurrence: Primordial

5.193

Spcfc Heat Cpcty: 5.193

0.008

Abundance (mg/kg): 0.008

4.002602

Atomic Weight: 4.002602

0.956

Melt (K): 0.956

Electron Configuration: 1s2

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4.22

Boil (K): 4.22

2

Atomic Number (Z): 2

Helium (He) ::: example of:

Helium (He) ::: example of:

Elements

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Noble Gases

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Group 18

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Period 1

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The Sun ::: is part of:

The Sun ::: is part of:

The Solar System

The Solar System

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The Solar System
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Planets

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