Answers From Experts & Organizations (1) SUCCESS! A. By definition, a hematoma is a collection of blood outside of a blood vessel. It occurs because the wall of a blood vessel wall, artery, vein or capillary, has been damaged and blood has leaked into tissues where it does not belong.
Deneb's absolute magnitude is currently estimated as â8.4, placing it among the most luminous stars known, with an estimated luminosity nearly 200,000 times that of the Sun. This is towards the upper end of various published values over the last few decades.
Baten Kaitos serves to highlight the immense differences among stars even of the same class. Oddly, its constellation-mate Deneb Kaitos, with which it also shares part of a name, is also a class K giant with almost the same temperature yet a luminosity only about half as great.