How Much Can Astronomers Learn About a Star from a Measurement

question 150

Multiple Choice

How much can astronomers learn about a star from a measurement of its apparent magnitude?

• A) intrinsic brightness (the total light actually emitted by the star)
• B) brightness the star would appear to have if it were exactly 10 pc from Earth
• C) brightness of the star as it appears in Earth's sky
• D) total output of electromagnetic energy emitted at all wavelengths from the star

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Definitions:

Fixture

An item of personal property that has been attached to land or a building in such a way that it is considered legally a part of the real property.

Real Property

Land and any structures or improvements attached to the land, such as buildings, making it immovable property.

Tangible Property

Physical assets that can be touched and seen, such as buildings, machinery, and inventory.

Engagement Ring

A ring typically given as a symbol of commitment when proposing marriage.