Ashton Church

everything that exists

a device that makes objects look closer

the bending of waves as they go from one substance to another

the bouncing of waves off a surface

the distance from one peak to the next

the number of waves that pass through a point in a second

waves of light in order by wavelength

a complete spin on an axis

a belt in longitude

the 180 degree line of longitude

one complete spin around the sun

lightened part of the moon that the earth can see

blocking of full moon when it passes into earths shadow

blocking out of a view of the sun in the moons shadow

regular rise and fall of the water level