What are mass black holes?

Some articles on black, black hole, mass, black holes, mass black holes, mass black hole:

Black - Idioms and Expressions
... In the United States, "Black Friday" (the day after Thanksgiving Day, the fourth Thursday in November) is traditionally the busiest shopping day of the year ... explanation began to be offered that "Black Friday" indicates the point in the year that retailers begin to turn a profit, or are "in the black ... "In the black" means profitable ...
Nothing But A Man
... The story is about a black railroad worker, who falls in love with a black school teacher, who is the town’s preacher’s daughter ... But a Man is one of the most sensitive films about black life ever made in this country” ...
Black Hole - Properties and Structure
... once it achieves a stable condition after formation, a black hole has only three independent physical properties mass, charge, and angular momentum ... Any two black holes that share the same values for these properties, or parameters, are indistinguishable according to classical (i.e ... These properties are special because they are visible from outside a black hole ...
Ultraluminous X-ray Source - Models
... ULXs have Eddington luminosities larger than that of stellar mass objects implies that they are different from normal X-ray binaries ... Modelling indicates that stellar mass sources may reach luminosities up to 1040 erg/s (1033 W), enough to explain most of the sources, but too low for the most luminous sources ... If the source is stellar mass and has a thermal spectrum, its temperature should be high, temperature times the Boltzmann constant kT ≈ 1 keV, and quasi-periodic oscillations are not expected ...
Black Holes In Fiction - Classification of Black Holes - Intermediate-mass Black Holes
100—106 M⊙) An intermediate-mass black hole (IMBH) is one whose mass is significantly more than stellar black holes (see below) yet far less than ... are believed to exist compared to the abundance of observed black holes in the stellar and supermassive mass ranges ... collapse of a single star, which is how stellar black holes are thought to form ...

Famous quotes containing the words holes, mass and/or black:

    Keyholes are the occasions of more sin and wickedness, than all other holes in this world put together.
    Laurence Sterne (1713–1768)

    The mass never comes up to the standard of its best member, but on the contrary degrades itself to a level with the lowest.
    Henry David Thoreau (1817–1862)

    Black women ... work because their husbands can’t make enough money at their jobs to keep everything going.... They don’t go to work to find fulfillment, or adventure, or glamour and romance, like so many white women think they are doing. Black women work out of necessity.
    Wilma Rudolph (1940–1994)