'Perfectly circular' diaporamas de présentation

Our Solar System

308 views • 19 slides

Phases of the Moon What Can You See

Phases of the Moon What Can You See. http://kids.niehs.nih.gov/lunar/home.htm. Phases of the Moon When Can You See It. Giants of Science. Our understanding of the Universe developed slowly over centuries.

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Definitions

Definitions. Epicycle = a small rotation on which a planet is placed. The epicycle then moves on a larger orbit. Used to explain retrograde motion. Deferent = the larger orbit on which the epicycle moves. Hipparchus(190-120BC). Developed many of the ideas included in the Ptolemaic model.

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331 views • 11 slides

The Scientific Revolution

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WHAT CAUSES VARIATIONS IN INSOLATION?

227 views • 6 slides