Suppose an Elliptical Galaxy Is So Far Away That We

question 32

Multiple Choice

Suppose an elliptical galaxy is so far away that we cannot see even its brightest stars individually.Which of the following techniques might allow us to measure its distance?

• A)We could use parallax.
• B)We could use Cepheid variables as standard candles.
• C)We could use a white dwarf supernova as a standard candle.
• D)We could use radar ranging.

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Definitions:

Residual Value

The estimated value that an asset will realize upon its disposal at the end of its useful life.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded for an asset since it was put into use.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset evenly over its useful life.

Residual Value

The estimated value of an asset at the end of its useful life, often considered in depreciation calculations.