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:

mg

Abbreviation for milligram, a unit of mass equal to one thousandth of a gram, often used in medication dosages.

IM

An abbreviation for "intramuscular," referring to a medication delivery method through injection directly into the muscle.

Needle Gauge

A measurement of the diameter of a needle, with higher gauge numbers indicating thinner needles.

Diameter

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere, representing its widest part.