Describing a Star as Being in the Constellation Cygnus (The

question 80

Multiple Choice

Describing a star as being in the constellation Cygnus (the Swan) tells a modern astronomer that the star is

• A) in a distant galaxy located in a particular direction from Earth.
• B) inside our solar system.
• C) somewhere in a particular region of sky having definite boundaries.
• D) one of a set of bright stars that make up a particular "picture" in the sky.

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Definitions:

Voltage

An electrical measurement expressing the potential difference between two points, the driving force of electric current.

Electron

A subatomic particle with a negative electric charge, fundamental to electrical phenomena and components of atoms.

Electroplating

A process that uses electric current to deposit a thin layer of metal onto a conductive surface, typically for protective, decorative, or functional purposes.

Pure

Refers to a substance that is not mixed with any other substance, having a homogenous chemical composition.