An Intermediate-mass black hole (IMBH) is a black hole whose mass is significantly more than stellar black holes (ten times to several tens of times the mass of the Sun) yet far less than supermassive black holes (one million to many million times the mass of the Sun). Considerably fewer of these objects are believed to exist when compared with the relative abundance of observed black holes in the stellar and supermassive mass ranges. Since the mechanisms by which IMBHs are formed are uncertain, it is consequently not entirely clear as why this significant discrepancy of relative abundances exists.
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Famous quotes containing the words black and/or hole:
“Lo, thus, as prostrate, ‘In the dust I write
My heart’s deep languor and my soul’s sad tears.’
Yet why evoke the spectres of black night
To blot the sunshine of exultant years?”
—James Thomson (1834–1882)
“Someone had literally run to earth
In an old cellar hole in a byroad
The origin of all the family there.
Thence they were sprung, so numerous a tribe
That now not all the houses left in town
Made shift to shelter them without the help
Of here and there a tent in grove and orchard.”
—Robert Frost (1874–1963)