In Connection with a Star, What Does the Phrase "Metal-Poor

question 194

Multiple Choice

In connection with a star, what does the phrase "metal-poor" mean?

• A) The star has a low abundance of all elements heavier than hydrogen in its spectrum.
• B) The star has a low abundance of all elements heavier than hydrogen and helium in its spectrum.
• C) The star has a low abundance of all elements in its spectrum.
• D) The star might or might not have a low abundance of carbon in its spectrum but is definitely weak in iron.

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Definitions:

Gearset

An assembly of gears designed to transfer mechanical energy from one section of a machine to another.

Spur Gear

A type of gear with straight teeth mounted on a parallel shaft, used in machinery to transmit motion and power.

Machined Straight

The process of shaping or finishing a material, usually metal, to create a straight and precise surface using a machine tool.

Teeth

Hard, enamel-covered structures found in the mouth of many animals, including humans, used for biting, chewing, and aiding in digestion.