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Our Solar System

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Discover fascinating facts about our Solar System, from the rocky asteroids situated between Mars and Jupiter to the dazzling array of planets. Learn how the density, moons, and sizes differ between terrestrial and jovian planets, and delve into the orbits of these celestial bodies. Understand Kepler's Second Law and the differences between geocentric and heliocentric models. Whether it's the longest day on Venus or the longest year on Neptune, uncover the mysteries that govern our cosmic neighborhood.

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Our Solar System

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  1. Our Solar System ©Mark Place, 2009-2010 www.LearnEarthScience.com

  2. Asteroids rocky objects with round or irregular shapes lie in a belt between Mars and Jupiter The total mass of all the asteroids is less than that of the Moon.

  3. only visible when they are close to the sun

  4. shooting stars

  5. The Planets

  6. Draw a line across the table between the terrestrial and jovian planets and label.

  7. Which are more dense? Jovian or terrestrial

  8. Which have more moons? Jovian or terrestrial

  9. Which have longer periods of revolution? Jovian or terrestrial

  10. Which are larger in size on average? Jovian or terrestrial

  11. Which planet has the longest day? Venus

  12. Which planet has the longest year? Neptune

  13. How are the orbits of the planets described? slightly, eccentric ellipse eccentricity website

  14. Which planet has the least perfectly circular orbit? Mercury

  15. Which planet has the most perfectly circular orbit? Venus

  16. Calculate the eccentricity of the ellipse below: length of major axis Formula: eccentricity = distance between foci length of major axis

  17. When does a planet move slowest in its orbit? When furthest from Sun When does a planet move fastest in its orbit? When closest to Sun

  18. Kepler's Second Law Area A = Area B = Area C eccentricity website

  19. Explain the difference between the geo- and helio-centric models of the solar system. Helio-centric Geo-centric Earth- centered Sun- centered

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