The Cosmologies of Galileo and Newton

Example 1: the moon is moving right along!

The Question:

How fast is the Moon traveling, using modern parameters?

The Answer:

The Moons actual distance from the center of the earth used by Newton was ft and the period is roughly 30 days, actually 27.3 days, or seconds (I asked Mr Google). The more modern value for this distances is ft, or billion feet or feet.

So the speed is the distance around divided by the time to go around:

Thats about 2287 mph. Moving right along, that thing is. Youll next be asked to do the same thing for a familiar orbiting object.