Nebula hypothesis - PowerPoint PPT Presentation

How was Earth formed?

How was Earth formed?. Big Bang Theory. 13.7 billion years ago Creation of all matter Hydrogen and Helium the first More complex elements evolved through time. The Expanding Universe. The Doppler effect is used to document the expanding universe. Red shift. Hubble’s Law.

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227 views • 16 slides

The origins of Life

The origins of Life. Origin of the Solar System. Earth is estimated to be ~4.6 bill. yr old Evidence: Radiometric dating of rocks &amp; meteors Nebula Hypothesis: Nebula: cloud of gas &amp; dust in space Gravity pulled much material together (forming the Sun)

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255 views • 10 slides

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