While the Big Dipper, the most recognizable part of Ursa Major, has seven main stars, the entire constellation of Ursa Major includes many more stars. However, the exact number of stars considered to be part of Ursa Major is somewhat arbitrary, depending on what criteria you use for defining the constellation's boundaries.
Here's a breakdown:
* The Big Dipper: Has 7 main stars easily recognizable, but each star within the dipper is part of the larger constellation.
* Ursa Major: Contains many more stars than the Big Dipper, but the exact number depends on how you define the constellation's boundary and how faint the stars you are including.
It's important to note that:
* Naked eye: You can typically see about 100 stars in Ursa Major with the naked eye under good conditions.
* Telescopes: Powerful telescopes reveal thousands of stars in the area.
* Constellation definition: While the pattern of the Big Dipper is well-defined, the overall boundaries of Ursa Major are less so.
So, there's no single answer to how many stars are in the Great Bear. It depends on how you define the constellation and how you are viewing it!