Often,an Asteroid Viewed from Earth Appears to Change Its Brightness

question 72

Multiple Choice

Often,an asteroid viewed from Earth appears to change its brightness periodically because the:

• A) albedo is significantly different on one side than the other.
• B) leading side is very dark and the trailing side is very bright like Iapetus, a satellite of Saturn.
• C) asteroid is elongated, so it may present a larger or a smaller cross section to us as it rotates.
• D) asteroid is simply passing through the shadow of another asteroid.

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Definitions:

Revenue Price Variance

The difference between the actual revenue generated by selling a product at its current price and the expected revenue at a predetermined price.

Direct Materials Price Variance

Direct materials price variance is the difference between the actual cost of materials and the standard cost, multiplied by the quantity of materials purchased.

Standard Price

A predetermined cost that management expects to pay under normal conditions for a specific quantity of goods or services.

Unfavorable Staff Time Variance

A discrepancy where the actual hours worked by employees exceed the planned or standard hours, typically leading to higher costs.