Respuesta :
Because the distances to stars are so large, it is useful to introduce some large ... The Light Year Distance Unit ... of 3 x 1010 cm/s in a vacuum, we can determine the length of a light year in centimeters
The size (radius, diameter) of stars is typically described
in terms of miles or kilometers.
The mass and volume of stars are described in kilograms and
cubic meters respectively, with scientific notation for the huge numbers.