SCIENCE
EARTH SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alpha Centauri A
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Alpha Centauri B
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The sun
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None of the above
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Detailed explanation-1: -The nearest star to the Earth after the sun is the star Proxima Centauri. It is a companion star to the binary star system Alpha Centauri AB and is approx 4.2 light-years away from Earth.
Detailed explanation-2: -The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible Planet Nine.
Detailed explanation-3: -Proxima Centauri is the closest star to the Sun, lying just over four light-years away.
Detailed explanation-4: -Alpha Centauri A is the brightest component, Alpha Centauri B is the slightly fainter second star and Alpha Centauri C is the much fainter Proxima Centauri. Proxima Centauri is slightly closer to Earth than A or B and hence is formally the closest star.
Detailed explanation-5: -The first nearest star from Earth is the Sun. The second nearest star is the Alpha Centauri. It is 4.3 light years away from the Earth.