Correct option is B
The correct answer is:(B) Sirius.
Explanation:
Sirius is a star, not a constellation. It is the brightest star in the night sky and is part of the constellation Canis Major.
The other options, Ursa Major, Orion, and Cassiopeia, are all well-known constellations.
Information Booster:
- Sirius is often referred to as the "Dog Star" and is located in the constellation Canis Major. It is actually a binary star system, consisting of Sirius A (the main star) and Sirius B (a white dwarf).
- Ursa Major, Orion, and Cassiopeia are constellations, which are groups of stars that form recognizable patterns in the sky. They have been important in navigation, mythology, and culture for thousands of years.
Additional Knowledge:
- Ursa Major: is a large and prominent constellation in the northern sky. It contains the famous asterism of the Big Dipper, which is used for locating the North Star (Polaris).
- Orion: is one of the most recognizable constellations, known for the distinctive "belt" of three stars. It is visible in the winter sky in the Northern Hemisphere and contains several bright stars, including Betelgeuse and Rigel.
- Cassiopeia: is a distinctive W-shaped constellation visible in the northern sky. It is named after the queen Cassiopeia in Greek mythology and is often used to help locate the North Star.
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