61 | 162: Charon's surprises with Dr. Beyer 2019-10-20 |
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62 | 161: Dusty mysteries with Prof. Hartzell 2019-10-06 |
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63 | 160: Going back in time with Dr. Bottke 2019-09-22 |
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64 | 159: Constellations and coordinates with Dr. Rich 2019-09-08 |
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65 | 158: Planetary Defense Mission with Dr. Ernst 2019-08-25 |
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66 | 157: Modeling impacts with Dr. Boslough 2019-08-11 |
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67 | 156: Measuring a collision with Dr. Thomas 2019-07-28 |
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68 | 155: Interstellar visitor with Dr. Knight 2019-07-14 |
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69 | 154: High speed impacts with Dr. Daly 2019-06-30 |
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70 | 153: Stories behind the science with Sarah Kaplan 2019-06-16 |
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