Why Do Astronomers Build Radio Telescopes

question 17

Multiple Choice

Why do astronomers build radio telescopes?

• A)Radio waves give a different view of the universe.
• B)Radio waves from space reach the Earth's surface.
• C)Radio telescopes can detect signals from aliens.
• D)Radio telescopes can be much larger than optical telescopes.

---

Definitions:

Altruism

The selfless concern for the well-being of others without any expectation of reward or recognition.

9/11 Terrorist Attack

A series of coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on September 11, 2001.

Social Exchange

The theory that human relationships and social behavior are shaped by an exchange process aimed at maximizing benefits and minimizing costs.

Self-Disclosure

The act of revealing personal information to others, which can enhance intimacy or social bonding.