1. If the solar nebula hypothesis is correct, then there are probably more planets in the universe than stars. Do you agree? Why or why not?
2. If you observed the solar system from the nearest star (distance 1.3 parsecs), what would the maximum angular separation be between Earth and the sun? Note that 1 pc is 2.1 × 105 AU. (Hint: Use the small-angle formula, Chapter 3.)
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