About How Many Potentially Hazardous Asteroids Pass Within 0

question 8

Multiple Choice

About how many potentially hazardous asteroids pass within 0.05 A.U. of the Earth perdecade in modern times?

• A)none
• B)10-20
• C)200-300
• D)5000-1000
• E)A completely unknown quantity; it could easily be anywhere from just a few to millions.

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Definitions:

Physical Movement

Any bodily action or activity that involves the shifting of parts or the whole body from one position to another.

Illusion

A misleading or misinterpreted perception, causing a discrepancy between how something appears and reality.

Texture Gradient

A perceptual cue that refers to the gradual decrease in detail that occurs in surfaces as they recede from the observer, aiding in depth perception.

Binocular Disparity

The difference in the images on the left and right retinas, which is the basis for depth perception and three-dimensional vision.