I had taken a course on the universe at UCR and my professor, a graduate of MIT, said that it took approximately 30 days for the moon to form after a planetoid collided with Earth. Yes, days haha
Zip, zero, zilch. If there is a moon, it will tell you that the moon has formed. If no moon forms, oh well.
how long did it take to build the half moon
to what
A long time
It will take you three days to reach the moon.
It took about 5000 days to get to the moon.
A month
3weeks
14.5 days.
14.77 days
29.53 days
About 2 weeks.