Astronomy 1 Ppt

Distances ,[object Object],[object Object],[object Object],[object Object],[object Object]

If we could keep on and on - - ,[object Object],[object Object],[object Object],[object Object],[object Object]

Light and heat comes from the Sun ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Light travels very, very fast! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

It takes 8 minutes for light to reach us from the Sun! Light travels 300 000 kilometres through space every second!

Shadows ,[object Object],[object Object],[object Object]

We can make shadows ! - by blocking out the light. Changing positions varies the size of the shadow. If you are close to the lamp, the shadow is large. If you are close to the screen, the shadow is smaller.

Day and Night ,[object Object],[object Object],[object Object],[object Object]

The Earth is a ball (or sphere) ,[object Object],[object Object],[object Object],[object Object]

Day and night ,[object Object],Light from the Sun Dark in China Dusk in India Light Dark

At midday here ,[object Object],[object Object]

As the Earth spins the position of the Sun varies. ,[object Object],[object Object],[object Object]

Shadows move during the day ,[object Object],[object Object],[object Object],stick 6.00 pm 12.00 noon 6.00 am

The Sun appears to move across the sky ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Solar Pyramid will act as a sundial

The seasons: the Sun provides light and heat but - ,[object Object],[object Object],[object Object]

Summer and winter ,[object Object],[object Object],Winter Summer The horizon

Summer and winter ,[object Object],[object Object],[object Object],[object Object],[object Object],Sun Summer Winter Beam of light Earth Earth

The Moon ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],EARTH Light from the Sun MOON

The Moon travels round the Earth Sunlight Earth no Moon is seen new Moon half MOON or first quarter full Moon last quarter

Bad astronomy in films ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Moon ,[object Object],[object Object],[object Object],eye Sun Moon

Sometimes the Sun does not shine during the day. ,[object Object],[object Object],[object Object],[object Object],NASA

An eclipse of the Sun ,[object Object],[object Object],[object Object],[object Object],Sun Moon Earth Moon

A partial eclipse is when the Moon does not cover all of the Sun. This happens much more often than a total eclipse. Sun

An Eclipse of the Moon ,[object Object],[object Object],[object Object],[object Object],[object Object],sunlight Earth’s shadow 1 2 3 4

What have we learned? (Sunlight takes 8 minutes to reach the Earth.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Space exploration ,[object Object],[object Object],[object Object]

Larger! Space shuttle Space station

The girl who named Pluto ,[object Object],[object Object],[object Object],[object Object],[object Object],NASA

New Horizons at Pluto (simulation) ,[object Object],[object Object],NASA

Keep asking questions! ,[object Object]

Astronomy 1 Ppt

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