When We Look Out into the Plane of the Milky

question 385

Multiple Choice

When we look out into the plane of the Milky Way Galaxy,how far can we see?

• A) infinitely far
• B) about 100,000 ly
• C) less than 1000 ly
• D) about 10,000 ly

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Definitions:

Withdrawing

The act of pulling back or removing oneself from a particular situation, interaction, or engagement.

Primary Reinforcer

A stimulus that satisfies a basic need or inherently reinforces a behavior, such as food or water.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, composed of hydrogen and oxygen (H2O), that is the main constituent of Earth's hydrosphere and the fluids of most living organisms.

Grades

Marks or scores assigned to students' work to indicate the quality of their performance, typically on a scale from A to F.