Quasars Usually Have Their Distances Measured by What Technique

question 12

Multiple Choice

Quasars usually have their distances measured by what technique?

• A)Type II supernovae
• B)Cepheids
• C)Parallax
• D)Hubble's Law
• E)Tully-Fisher relation

---

Definitions:

Homeostasis

Homeostasis is the biological process by which living organisms maintain stable internal conditions (such as temperature, pH, and electrolyte balance) despite changes in the external environment.

Pleasure Principle

A concept in psychoanalytic theory referring to the instinctual seeking of pleasure and avoiding of pain to satisfy biological and psychological needs.

Determinism

The philosophical doctrine that all events, including moral choices, are ultimately determined by causes external to the will.

Associationism

A theory in psychology that states mental processes operate by the association of one mental state with its successors.