GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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4.2 seconds
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42 seconds
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4.2 years
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42 years
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Detailed explanation-1: -The closest of these other stars to us is known as Alpha Centauri . As seen from the earth, due to its closeness the Alpha Centauri is the third brightest star visible from the surface of the earth even without the telescope. It is known that it will take light about 4 years to reach the star.
Detailed explanation-2: -As its name suggests, Proxima Centauri is the closest star to our solar system, sitting a relatively close 4.2 light-years away.
Detailed explanation-3: -Alpha Centauri is a triple star system located just over four light years, or about 25 trillion miles, from Earth. While this is a large distance in terrestrial terms, it is three times closer than the next nearest Sun-like star.
Detailed explanation-4: -The nearest star system to the Earth is the Alpha Centauri triple-star system which is about 4.37 light-years-40 trillion Km away from the earth. Alpha Centauri triple-star system consists of three stars named Alpha Centauri A, Alpha Centauri B, and Proxima Centauri.