What Observation Has Prompted Astronomers to Ponder the Possible Existence

question 34

Multiple Choice

What observation has prompted astronomers to ponder the possible existence of dark energy?

• A)discovery of quasars
• B)discovery of superclusters
• C)supernovae appearing fainter than expected at large redshifts
• D)uniform nature of the cosmic microwave background (CMB)

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Definitions:

Conservation

In cognitive development, the understanding that an object retains its properties even when its form or appearance changes.

Qualitatively Different

A term used to describe differences that cannot be measured by numbers alone, often involving distinct categories or types rather than amounts or degrees.

Environmental Influences

Factors outside the individual, such as social, cultural, and physical environments, that affect behaviors, attitudes, and development.

Schemas

Mental structures that an individual uses to organize knowledge and guide cognitive processes and behavior.