Ursa Major does not have a surface. Ursa Major is a constellation. It is therefore a collection of stars. All of those stars would be very different.
The Big Dipper is an asterism, which is a recognizable group of stars within a constellation. It is located within the constellation Ursa Major. Ursa Major is a constellation that contains the Big Dipper asterism as part of its larger pattern of stars.
The question is vague. There are many stars called "pointer" stars. For example, two of the stars in Ursa Major lie along a line that passes very near Polaris. A completely different set of stars in Ursa Major form an arc that passes near Regulus. There are plenty of other such astronomical coincidences.
The constellation Ursa Major contains about seven main stars that form the shape of a bear. The most famous of these stars is the Big Dipper or Plough asterism, which is not a constellation in itself but part of Ursa Major.
The Big Dipper is not a star, but an asterism, which is a recognizable pattern of stars within a constellation. It is part of the Ursa Major constellation and consists of seven bright stars that form a distinct shape resembling a ladle or dipper.
1.7-2.8 tons. <><><><><> Ursa Major is a constellation of stars. Its mass is immense.
No. Ursa Major and all stars visible from earth are in the Milky Way.
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Ursa Major (Great bear) is a constellation, not a single star, consisting of 20 main stars and over a hundred minor stars.
YES. Ursa Major also contains the big dipper (which is not a constellation, it is an asterism) and the pointer stars are located in the handle of the big dipper.
Ursa Major
Ursa major