What Is the Typical Duration of a "Long" Gamma-Ray Burst

question 161

Multiple Choice

What is the typical duration of a "long" gamma-ray burst?

• A) several days, indicating a size much smaller than the distance from Earth to the nearest star beyond the Sun
• B) about a minute, indicating a source smaller than Mercury's orbit
• C) up to about 1 hour, indicating a source less than half the size of the solar system
• D) several hours, indicating a source somewhat larger than the solar system

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Definitions:

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