Astronomers Who Discovered Quasars Found That They Show ___________ of Their

question 146

Multiple Choice

Astronomers who discovered quasars found that they show ___________ of their spectral lines and are thus probably much ___________ than nearby galaxies.

• A)large redshifts; farther away
• B)large blueshifts; farther away
• C)no wavelength difference; nearer
• D)large redshifts; nearer
• E)large blueshift; nearer

---

Definitions:

Sensorimotor

Referring to a developmental stage in infants where they learn about the world through sensory experiences and motor activities.

Preoperational

A stage in Jean Piaget's theory of cognitive development where children from about 2 to 7 years old engage in symbolic play but struggle with logic and understanding the perspective of others.

Conservation

The act of preserving, protecting, or restoring the natural environment, natural ecosystems, vegetation, and wildlife to prevent depletion or destruction.

Cognitive Development

The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.