Which Universe term is correctly associated with location or association: “part of the Alpha Centauri stellar system”, and also with “the nearest known star to the Sun”?

Correct Answer: Option B — Proxima Centauri. Proxima Centauri is correct because it is part of the Alpha Centauri stellar system. It is also associated with the nearest known star to the Sun. Together, these two facts identify Proxima Centauri precisely within Universe. Why the other options are incorrect: Option A — Polaris: Polaris is located in Ursa Minor. It is also associated with commonly called the North Star, so these facts identify Polaris rather than Proxima Centauri. Option C — Betelgeuse: Betelgeuse is located in the constellation Orion. It is also associated with it marks one shoulder of Orion, so these facts identify Betelgeuse rather than Proxima Centauri. Option D — Crab Nebula: Crab Nebula is located in the constellation Taurus. It is also associated with associated with a supernova observed in 1054 CE, so these facts identify Crab Nebula rather than Proxima Centauri. Exam Takeaway: Link Proxima Centauri with “part of the Alpha Centauri stellar system” and “the nearest known star to the Sun” for quick revision.