Concept:A constellation is a group of stars that forms a recognizable pattern in the sky.
Explanation:Big Bear is another name for the Ursa Major constellation.
It is a well-known group of stars visible in the northern sky.
Ursa Major is one of the 88 official constellations and is the third largest.
It contains the Saptarishi (seven stars) pattern.
Constellations help in identifying parts of the night sky.
A galaxy, like the Milky Way, is a huge system of billions of stars.
Big Bear is not a single star or a galaxy.
Hence, it is a constellation.
Answer:Option B: Constellation