Which of the following is the second nearest star to Earth?
Correct Answer :
Proxima Centauri
Solution :
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2. Core answer inside ` ... The correct option is Proxima Centauri. To determine the second nearest star to Earth, we consider the distances of stars from our solar system: Therefore, Proxima Centauri is the second nearest star to Earth after the Sun.
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Let's construct the output text precisely.
1. The Sun: The Sun is the closest star to Earth, located at an average distance of about 149.6 million kilometers (1 AU or approximately 8.3 light-minutes).
2. Proxima Centauri: Proxima Centauri is a red dwarf star located approximately 4.246 light-years away from Earth. Because the Sun is the single nearest star, Proxima Centauri is the second nearest star to Earth overall (and the closest star to Earth outside our solar system).
3. Alpha Centauri A & B: These stars form a binary star system located about 4.37 light-years away.
4. Sirius: Sirius (the Dog Star) is approximately 8.6 light-years away from Earth.
5. Polaris: Polaris (the North Star) is much farther away, at a distance of about 323 to 433 light-years.
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