What Is the Current Limit to Distances We Can Measure

question 75

Multiple Choice

What is the current limit to distances we can measure via parallax, until the results of the new Gaia mission become available?

• A)about 100 light years
• B)about 1000 light years
• C)about 100,000 light years
• D)about 10,000 light years

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without prior learning.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, elicits a conditioned response.

Operant-Conditioning

A method of learning that occurs through rewards and punishments for behavior, encouraging the subject to associate certain behaviors with specific consequences.