Hand-Crank Generator DIY STEM Kit
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Moon |
Mass | = | 7.36 x 1022 kg |
| Mean radius | = | 1.74 x 106 m |
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Sun |
Mass | = | 1.99 x 1030 kg |
| Mean radius | = | 6.96 x 108 m |
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Mercury |
Mass | = | 3.18 x 1023 kg |
| Mean radius | = | 2.43 x 106 m | ||
| Period | = | 7.60 x 106 s | ||
| Distance from Sun | = | 5.79 x 1010 m |
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Venus |
Mass | = | 4.88 x 1024 kg |
| Mean radius | = | 6.06 x 106 m | ||
| Period | = | 1.94 x 107 s | ||
| Distance from Sun | = | 1.08 x 1011 m |
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Earth |
Mass | = | 5.98 x 1024 kg |
| Mean radius | = | 6.37 x 106 m | ||
| Period | = | 3.156 x 107 s | ||
| Distance from Sun | = | 1.496 x 1011 m |
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Mars |
Mass | = | 6.42 x 1023 kg |
| Mean radius | = | 3.37 x 106 m | ||
| Period | = | 5.94 x 107 s | ||
| Distance from Sun | = | 2.28 x 1011 m |
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Jupiter |
Mass | = | 1.90 x 1027 kg |
| Mean radius | = | 6.99 x 107 m | ||
| Period | = | 3.74 x 108 s | ||
| Distance from Sun | = | 7.78 x 1011 m |
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Saturn |
Mass | = | 5.68 x 1026 kg |
| Mean radius | = | 5.85 x 107 m | ||
| Period | = | 9.35 x 108 s | ||
| Distance from Sun | = | 1.43 x 1012 m |
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Uranus |
Mass | = | 8.68 x 1025 kg |
| Mean radius | = | 2.33 x 107 m | ||
| Period | = | 2.64 x 109 s | ||
| Distance from Sun | = | 2.87 x 1012 m |
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Neptune |
Mass | = | 1.03 x 1026 kg |
| Mean radius | = | 2.21 x 107 m | ||
| Period | = | 5.22 x 109 s | ||
| Distance from Sun | = | 4.50 x 1012 m |
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Pluto |
Mass | = | 1.4 x 1022 kg |
| Mean radius | = | 1.5 x 106 m | ||
| Period | = | 7.82 x 109 s | ||
| Distance from Sun | = | 5.91 x 1012 m |
'In a way science is a key to the gates of heaven, and the same key opens the gates of hell, and we do not have any instructions as to which is which gate.
Shall we throw away the key and never have a way to enter the gates of heaven? Or shall we struggle with the problem of which is the best way to use the key?'