How Could We Tell (In Principle)whether We Live in a Universe

question 26

Multiple Choice

How could we tell (in principle) whether we live in a universe in which space is flat or in a universe in which space is positively curved?

• A)Find out if the universe has a center
• B)Find out if the universe has boundaries
• C)Determine whether there is cosmic background radiation
• D)Measure the sum of the angles of a very large triangle

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Definitions:

Sensorimotor Stages

The first of Jean Piaget's four stages of cognitive development, during which infants learn through interacting with the environment.

Adapt

To adjust or change in response to new or different conditions.

Anticipate

The act of expecting or predicting something to occur based on current knowledge or trends.

Sensorimotor Period

A stage in Jean Piaget's theory of cognitive development where infants learn through interacting with their environment using their senses and motor skills.