Which Universe term is correctly associated with important feature: “the nearest known star to the Sun”, and also with “it is about 4.24 light-years away”?

Correct Answer: Option C — Proxima Centauri. Proxima Centauri is correct because it is the nearest known star to the Sun. It is also associated with it is about 4.24 light-years away. Together, these two facts identify Proxima Centauri precisely within Universe. Why the other options are incorrect: Option A — Polaris: Polaris is commonly called the North Star. It is also associated with it lies close to the north celestial pole, so these facts identify Polaris rather than Proxima Centauri. Option B — Betelgeuse: Betelgeuse is it marks one shoulder of Orion. It is also associated with it is a variable star nearing a late evolutionary stage, so these facts identify Betelgeuse rather than Proxima Centauri. Option D — Crab Nebula: Crab Nebula is associated with a supernova observed in 1054 CE. It is also associated with it contains the Crab Pulsar, so these facts identify Crab Nebula rather than Proxima Centauri. Exam Takeaway: Link Proxima Centauri with “the nearest known star to the Sun” and “it is about 4.24 light-years away” for quick revision.