In the absence of gravity, t<span>he rocks and debris
would never accrete into a planet. (B)
Also by the way, it wouldn't matter much, because
there wouldn't be a star to orbit around, AND orbits
wouldn't exist either.</span>
If there's any point in a circuit where the current has a choice
of which branch to take, then you have a <em>parallel circuit</em>.
The answer would be 72 miles. Hope this helped.
The answer is orbit, we are orbiting the sun as the moon orbits us
