Using the Method of Comparing Times to Get a Handle

question 16

Essay

Using the method of comparing times to get a handle on the large distances in astronomy, compare the size of Earth to the size of the visible universe.Start by making the size of Earth comparable to a snap of your fingers, which lasts about 1/7 second.Show your computation.

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Definitions:

Hammer

A tool with a heavy, typically metal, head attached to a long handle, used for breaking things apart or driving in nails.

Stirrup

A tiny bone in the middle ear that plays a critical role in the process of hearing by transmitting sound vibrations to the inner ear.

Middle Ear

The part of the ear located between the eardrum and the inner ear, containing three small bones that transmit sound vibrations.

Cones

Specialized photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.