Why Is Supernova 1987A Particularly Important to Astronomers

question 70

Multiple Choice

Why is Supernova 1987A particularly important to astronomers?

• A)It is the nearest supernova to have occurred at a time when we were capable of studying it carefully with telescopes.
• B)It was the first supernova detected in nearly 400 years.
• C)It provided the first evidence that supernovae really occur.
• D)It occurred only a few light-years from Earth.

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Definitions:

Sociological Research

The study of society and social behavior by examining the groups, cultures, organizations, social institutions, and processes that people develop.

Survey Research

A method of collecting data and information from a sample of individuals by means of questionnaires or interviews.

Unreliability

The characteristic of being not reliable or dependable, often resulting in unpredictability and inconsistency.

Undercounting

The act of recording less than the actual number or amount, often referring to the miscounting of populations in censuses or surveys.