Their surface brightness at any distance r from the center is given roughly by the formula "r over a constant a, plus one, to the negative second power times the central brightness.
Their surface brightness at any distance r from the center is given roughly by the formula "r over a constant a, plus one, to the negative second power times the central brightness." Found on the "handle" of the Hubble tuning fork, they are subdivided into classes zero through seven according to the extremity of their shape, with classes eight through ten remaining unobserved. Although small amounts of dust and O or B stars have been found in them, they are usually noted by their uniform coolness, age, and complete rotational symmetry. Messier objects 87 and 32 and the Sombrero are examples of, FTP, what form common to the largest galaxies visible from Earth, in which no spiral is visible?
Their surface brightness at any distance r from the center is given roughly by the formula "r over a constant a, plus one, to the negative second power times the central brightness.
elliptical galaxies