The Moon's Angular Diameter in the Sky Is Measured to Be

question 207

Multiple Choice

The Moon's angular diameter in the sky is measured to be 0.5°. From this measurement, one can find the

• A) bulk density of the Moon (the average number of kilograms per cubic meter of Moon material) if one knows its distance from Earth.
• B) diameter of the Moon in kilometers if one knows the Moon's distance.
• C) diameter of the Moon in kilometers even if one has no other information about the Moon.
• D) distance to the Moon even if one has no other information about the Moon.

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Definitions:

Melanoma

A serious and aggressive form of skin cancer originating from melanocytes, the cells that produce pigment.

Evenly Colored

Having uniform coloration without variation or shading across a surface.

Ordinary Mole

A common, small, pigmented skin lesion, benign in nature, but monitored for changes that could indicate malignancy.