KIDS QUIZ
SPACE EXPLORATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?
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1 year
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4.3 years
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43 years
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10 trillion years
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Explanation:
Detailed explanation-1: -It would take 4.3 years for the light to reach us.
Detailed explanation-2: -1 Expert Answer To answer this question, first change 4.3 years to seconds. 4.3 years x 365 days per year x 24 hours per day x 60 minutes per hour x 60 seconds per minute = 135, 604, 800 seconds.
Detailed explanation-3: -Alpha Centauri A & B are roughly 4.35 light years away from us. Proxima Centauri is slightly closer at 4.25 light years.
Detailed explanation-4: -Alpha Centauri is a triple star system located just over four light years, or about 25 trillion miles, from Earth.
There is 1 question to complete.