The Luyten 726-8 Binary System Is Approximately 9 Light-Years Away

question 19

Multiple Choice

The Luyten 726-8 binary system is approximately 9 light-years away. If we send a spacecraft to visit this system traveling at 90% of the speed of light, how long will a one- way trip take as measured from the Earth?

• A) it's impossible to tell unless we know the spacecraft's method of propulsion
• B) more than 10 years
• C) 10 years
• D) less than 10 years

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represents a belief, value, or practice that is widely accepted and circulated within a society or cultural group, influencing behaviors and social norms.

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