Earth in the Universe Celestial Objects – any objects outside our atmosphere. We look up. At night. In a cloudless night. There are 6000 of them that.

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Presentation transcript:

Earth in the Universe Celestial Objects – any objects outside our atmosphere. We look up. At night. In a cloudless night. There are 6000 of them that can be seen in an unaided eye.

Are We alone?

Universe – everything that exists in any place. It’s vast. Maybe eternal. And expanding. It has formed some billion years ago.

HOW?

Big Bang Theory States that all matter and energy started out concentrated in a small area the explodes!

Are we sure?

Compelling Evidence! 1. An expanding universe

2. Doopler Effect Think of a train approaching and going!!!!!!!!!!!!!!

When it shifts to blue, its coming towards us!

When it shifts to Red, its going away!