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3 May, 05:20

Find the length of the major axis of​ earth's orbit using​ kepler's third law and the fact that​ earth's orbital period is 365.256 days. use gequals

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  1. 3 May, 06:00
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    Kepler's Third Law:

    P² = a³

    P is a period of the orbit (in years) so 365.256 days = 1 year,

    a is a semi major axis.

    1² = a³

    a = 1 AU (astronomical unit) = 149,597,870.7 km

    Major axis = 149,597,870.7 km · 2 = 299,195,741.4 km
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