A simple method of measuring the distance between the Earth and the Moon is to place in your line of sight to the Moon a
A) magnifying glass.
B) coin.
C) telescope.
D) meterstick.
Question 2
Spots of sunlight on the ground cast through openings between leaves in trees above are actually
A) images of the Sun.
B) part of a solar eclipse.
C) due to refraction of sunlight.
D) all of the above