Distances to a Nearby Galaxy Can Be Determined MOST Accurately

question 388

Multiple Choice

Distances to a nearby galaxy can be determined MOST accurately by:

• A) using pulsating stars as beacons.
• B) measuring the chemical compositions of the brightest stars.
• C) measuring the shifts of spectral lines from the Milky Way Galaxy.
• D) measuring the total amount of energy received from the Milky Way Galaxy.

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Definitions:

Reproduction

The process in biology where offspring are generated from their progenitors.

Generation

A group of individuals born and living around the same time, typically considered to be about 20–30 years.

Development

The process through which an organism grows or progresses, often involving physical, psychological, or social changes.

Multicellular Adult

An organism composed of multiple cells that has reached a mature or fully grown stage.