A comet has a period of 78.8 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.630 AU. Find the semimajor axis of the comet and an estimate of the comet's maximum distance from the Sun, both in astronomical units. HINT (a) the semimajor axis of the comet (in AU) AU (b) an estimate of the comet's maximum distance (in AU) from the Sun AU

Q: Which unit of measurement is larger?

A: 1 rad = 57.3 degree. So for 1 rad we required 57.3 degree.  So 1 degree = (1/57.3) < 1 rad

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A: Hey dear have a look

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