Crash Course Astronomy Season 1 Episode 20 Asteroids 2015
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Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter, but some get near the Earth. The biggest, Ceres is far smaller than the Moon but still big enough to be round and have undergone differentiation.
- Released: 2015-06-04
- Runtime: 12 minutes
- Genre: Documentary
- Stars: Phil Plait
- Director: Phil Plait
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1. Introduction to Astronomy 2015-01-15
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2. Naked Eye Observations 2015-01-22
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3. Cycles in the Sky 2015-01-29
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4. Moon Phases 2015-02-05
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5. Eclipses 2015-02-13
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6. Telescopes 2015-02-19
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7. The Gravity of the Situation 2015-02-26
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9. Introduction to the Solar System 2015-03-12
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10. The Sun 2015-03-19
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11. The Earth 2015-04-02
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12. The Moon 2015-04-09
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13. Mercury 2015-04-16
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16. Jupiter 2015-05-08
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17. Jupiter's Moons 2015-05-14
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18. Saturn 2015-05-21
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19. Uranus & Neptune 2015-05-28
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20. Asteroids 2015-06-04
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21. Comets 2015-06-18
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22. The Oort Cloud 2015-06-25
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23. Meteors 2015-07-02
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25. Distances 2015-07-16
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27. Exoplanets 2015-07-30
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28. Brown Dwarfs 2015-08-13
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29. Low Mass Stars 2015-08-20
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30. White Dwarfs & Planetary Nebulae 2015-08-27
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31. High Mass Stars 2015-09-10
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32. Neutron Stars 2015-09-17
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33. Black Holes 2015-09-25
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34. Binary and Multiple Stars 2015-10-01
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35. Star Clusters 2015-10-08
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36. Nebulae 2015-10-15
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37. The Milky Way 2015-10-22
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38. Galaxies, Part 1 2015-10-29
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39. Galaxies, Part 2 2015-11-05
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40. Gamma-Ray Bursts 2015-11-12
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41. Dark Matter 2015-11-19
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42. The Big Bang, Cosmology Part 1 2015-11-26
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43. Dark Energy, Cosmology Part 2 2015-12-03
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44. A Brief History of the Universe 2015-12-10
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45. Deep Time 2015-12-17
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46. Everything, The Universe...And Life 2015-12-24
