The temperature and brightness of stars are shown on the bright-temp graph h-r diagram star model luminosity grid

what is the area beyond a black hole where the black hole has stopped expanding and matter will no longer be pulled in

The temperature and brightness is shown on the: H-R Diagram 

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Yes he is right they are bacteria