OUR SOLAR SYSTEM Our Solar System
The size of a planet can be found from measurements of its angular size and its distance. How large the planet appears to be is its
angular size or angular diameter, the angle between two lines of sight along each side of the object. Yet, how large a planet appears
to us depends on it's

good looking response

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.