If the Distance of a Galaxy at a Redshift Z

question 88

Multiple Choice

If the distance of a galaxy at a redshift z = 0.05 is 220 Mpc, how many years back into the past are we looking when we observe this galaxy?

• A) 5 million years
• B) 220 million years
• C) 720 million years
• D) 6 billion years
• E) 10 billion years

---

Definitions:

False Consensus Effect

The tendency to overestimate the extent to which others share our beliefs, values, and behaviors.

Speed Limits

Legal restrictions on the maximum speed at which vehicles may travel on particular roadways, intended to enhance safety and reduce accidents.

Projection

A defense mechanism where an individual attributes their own unacceptable feelings or thoughts to someone else.

Unconditional Positive Regard

A concept in psychology that suggests offering someone complete support and acceptance regardless of their actions or feelings.