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CONSTANTS
mass of Earth |
5.98×1024 kg
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| mass of the Sun |
1.99×1030 kg |
| mass of an electron |
9.11×10-31 kg |
| mass of a proton |
1.67×10-27 kg |
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| radius of electron orbit in Hydrogen |
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| radius of Earth |
6378 km |
| radius of Moon's orbit around Earth |
384,000 km |
| radius of Earth's orbit around the Sun |
150,000,000 km |
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| speed of light in vacuum |
3.00×108m/sec |
| speed of sound (at STP) |
343 m/sec |
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| Universal Gravitational Constant |
6.67×10-11 N·m²/kg² |
| Coulomb's Law constant |
9.0×109 N·m²/coul² |
| Wien's Law constant |
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