Jamie pwp

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Why is the Sun the most important star in our

Solar System?

My inquiry

The sun it’s a lovely ball of gas.

To me it’s like my woolly jumper.

My inquiry is going to be about why the sun is the most important star...

The Sun

The Sun’s energy:We get most of our energy from the sun. We call it solar energy. It travels

from the sun to the Earth in rays. Some are light rays that we can see. Some rays we can’t see, like x-rays.

The sun is a star. It is a giant ball of gas. It sends out huge amounts of energy every day. Most of the energy goes off into space. Only a small amount reaches the Earth.

About The Sun

Equatorial Radius: 695,500 kmEquatorial Circumference: 4,379,000 kmVolume: 1,142,200,000,000,000,000 km3Mass: 1,989,000,000,000,000,000,000,000,000,000 kgDensity: 1.409 g/cm3Surface Area: 6,087,799,000,000 km2

• Spectral Type: G2 V• Synodic Period: 27.2753 days• Velocity Relative to Near Stars: 19.7 km/s• Solar Constant (Total Solar Irradiance):) 1.365 - 1.369 kW/m2

The sun contains more than 99.8% of the total mass of the Solar System (Jupiter contains most of the rest).

The Suns light

Sunlight is a portion of the electro magnetic given off by the sun, particularly infa-red, visible, and ultra violet light.

On earth, sunlight is filtered through the earth’s atmosphere, and is obvious as daylight when the Sun is above the horizon.

So see it gives us energy,heat and light...

thanks for listening