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.
VY Canis MAjoris is a star that is 2100 times the mass of our own sun, and it is the largest star discovered to date.Y Canis Majoris is about 2,100 solar radii, it is possibly the largest known star and also one of the most luminous known. It is located about 1.5 kiloparsecs (4.6Ã1016 km) â¦ or about 4,900 light years away from Earth.