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All we know that PI = 22/7. But how and why it is 22/7 rather other fractions?
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...so, let's move it. NASA estimates it will cost One Trillion dollars over ten years to reach Mars. Just think of what we could save! Basics: Aphelion 249,209,300 km 1.665 861 AU Perihelion 206,669,000 km 1.381 497 AU Semi-major axis 227,939,100 km 1.523 679 AU Eccentricity 0.093 315 Orbital period … 
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