1. The ice on the Moon is believed to be mixed with rock just under the Moon’s surface. How might that water be economically extracted and purified? 2. Earth had two moons? Assume one is at our Moon’s...

1. The ice on the Moon is believed to be mixed with rock just under the Moon’s surface. How might that water be economically extracted and purified?

2. Earth had two moons? Assume one is at our Moon’s distance and the other is at half that distance. Describe the motion of the two moons in the sky and how they might appear to us. What would be different here on Earth?