02:50
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19:50
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20:41
Only a few hundred humans have ever traveled to space. Chris describes in precise detail the emotions an astronaut feels on launch day and the physical feeling of leaving Earth.
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6:41
6. Rockets: Orbital Mechanics
Chris breaks down the equation for drag and shows how rockets are designed to overcome the biggest hurdle of launching into space—the atmosphere.
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18:18
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19:42
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21:03
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22:23
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12:39
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13:02
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11:22
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10:03
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18:44
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17:56
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14:29
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17:31
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16:15
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20:07
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16:07
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7:12
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15:04
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11:23
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24:01