Kepler's Laws: The average distance from Earth to the sun is defined as one astronomical unit (AU). If an asteroid orbits the sun in 1/3 of a year in a circular orbit, the asteroid's distance from the sun is closest to
A. 0.19 AU.
B. 0.48 AU.
C. 2.1 AU.
D. 5.2 AU.
E. 0.33 AU.
Answer: B
Physics & Space Science
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