Hence, a menstrual period is the shedding of the uterus lining. The duration of a menstrual period on the average is between three to five days. As such, a period that lasts between two to seven days is considered normal. The amount of blood lost in each cycle is measured between four to twelve teaspoons.
Not surprisingly, UY Scuti is classified as a hypergiant star â which is the classification which comes after supergiant and regular giant. Its size may make it the biggest, but it is not the most massive star (where the mass in massive stands for the amount of matter in the star).
The Largest Star Known in the Universe -- A Red Supergiant in Death Throes. When the astronomers studied the images of the most massive cluster of stars in our galaxy, Westerlund 1, they spotted something truly unique.louds of this type are rarely found around massive stars and are even rarer around red supergiant stars such as W26, the largest known star in the Universe â this is the first ionised nebula ever discovered around such a star.