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Science 9 – Space Exploration
Science 9 – Space Exploration

... 11. In the 1920’s two scientists began comparing the surface temperature of stars with the star’s luminosity. They graphed their results in what is referred to as the … A. Solar Shift Model B. Hertzsprung-Russell Diagram C. Wegener-Darwin Illustration D. Helio-Solar Diagram 12. A star has a definite ...
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The Solar System - Kennesaw State University
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... This “review sheet” has a list of questions that you can ask yourself to get a feel for your own comfort level on the different topics that we’ve covered in class. As with the second exam, you should be comfortable with reading/writing numbers in scientific notation & using your own scientific calcu ...
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CST Prep- 8th Grade Astronomy 19. Sketch a planet
CST Prep- 8th Grade Astronomy 19. Sketch a planet

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Solar System Formation
Solar System Formation

... • Young sun lights up and starts pouring out radiation and particles • Radiation and solar wind blow away the rest of the H and He • Clearing out the gas stops the planet from ...
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Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
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