Suppose We Look at Two Distant Galaxies: Galaxy 1 Is

question 14

Multiple Choice

Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2.In this case,

• A)Galaxy 1 must be twice as big as Galaxy 2.
• B)we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2.
• C)we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2.
• D)Galaxy 2 must be twice as old as Galaxy 1.

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Definitions:

Dopamine-Producing Cells

Neurons that synthesize and release dopamine, a neurotransmitter involved in reward, motivation, memory, attention, and even regulating body movements.

Parkinson

A degenerative disorder of the central nervous system that primarily affects motor function, often characterized by tremors, stiffness, and slow movement.

Controversial

Pertaining to or causing disagreement, debate, or argumentation due to differing opinions or ideas.

Neuroplasticity

The nervous system’s potential to physically or chemically modify itself in response to environmental change and to compensate for age-related changes and injury.