Problem 1: The orbital period of Mars is 1.881 yrs. When Mars is ...
Problem 1: The orbital period of Mars is 1.881 yrs. When Mars is ...
Problem 1: The orbital period of Mars is 1.881 yrs. When Mars is ...
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<strong>Problem</strong> 1: <strong>The</strong> <strong>orbital</strong> <strong>period</strong> <strong>of</strong> <strong>Mars</strong> <strong>is</strong> <strong>1.881</strong> <strong>yrs</strong>. <strong>When</strong> <strong>Mars</strong> <strong>is</strong> opposite<br />
the Sun in the sky its position with respect to the background <strong>of</strong> fixed stars <strong>is</strong><br />
measured at sunset and again at sunr<strong>is</strong>e. <strong>The</strong> effective baseline between<br />
these two positions <strong>is</strong> 11,700km and the change in its position on the sky <strong>is</strong><br />
30.8”. Calculate the length <strong>of</strong> the Astronomical Unit in metres.
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