When the First Pulsar Was Discovered, Scientists Thought It Might

question 11

Multiple Choice

When the first pulsar was discovered, scientists thought it might be a signal from a distant extraterrestrial civilization. However, this idea was quickly discarded because:

• A) it was realized the signals were interference from cars and trucks passing by the radio observatory
• B) the government made the scientists hide their original finding
• C) they realized that Cepheid variables could produce the detected radio signals
• D) more pulsars were discovered, which meant that these were natural phenomena
• E) the technology required to create pulsed signals is beyond the power of any civilization

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Definitions:

Achievement Need

The psychological drive to excel, achieve in terms of set standards, and strive for success.

Situational Determinants

Situational determinants are external factors that influence an individual's behavior, varying depending on the context or environment.

Social Bonds

Connections among individuals in a society that foster trust, cooperation, and collective action.

Associate

To connect or link in one's mind; to relate one idea or concept with another.