Download The Sun - Hastings Middle School

The Sun
The Sun
• 99% of the matter of the solar system
is in the Sun.
• The Sun is an Average Star
(main sequence star)
• The sun is not a Binary Star.
(most stars have a “Companion”)
The Sun’s Energy
• The Sun is a ball of gas Fusing Hydrogen
into Helium at its Core.
Nuclear Fusion
Parts of the Sun
• Photosphere: Lowest layer of the Sun’s
Atmosphere.
Gives off light
10,000 degrees Fahrenheit
Parts of the Sun
• Chromosphere: Reddish layer above the
Photosphere
Parts of the Sun
• Corona: Above the Chromosphere
Largest layer of the Sun
Solar Wind: Charged particles come off the
Corona
Corona during
A Solar Eclipse
Parts of the Sun
• Sunspots: Dark spots.
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Cooler than the surrounding area
Magnetic
They may cause Flares and Prominences
Occur in a 11 year cycle
Parts of the Sun
• Prominences: Huge arching columns of Gas
Parts of the Sun
• Solar Flares: Largest explosions on the
Sun.
• They can cause the Northern Lights
Northern Lights