Which Universe term is correctly associated with location or association: “located in the constellation Canis Major”, and also with “the brightest star in Earth's night sky”?

Correct Answer: Option B — Sirius. Sirius is correct because it is located in the constellation Canis Major. It is also associated with the brightest star in Earth's night sky. Together, these two facts identify Sirius precisely within Universe. Why the other options are incorrect: Option A — Proxima Centauri: Proxima Centauri is part of the Alpha Centauri stellar system. It is also associated with the nearest known star to the Sun, so these facts identify Proxima Centauri rather than Sirius. Option C — Polaris: Polaris is located in Ursa Minor. It is also associated with commonly called the North Star, so these facts identify Polaris rather than Sirius. Option D — 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 Sirius. Exam Takeaway: Link Sirius with “located in the constellation Canis Major” and “the brightest star in Earth's night sky” for quick revision.