ORIGINS. “As the field now pivots from gravitational wave discovery to gravitational wave astronomy, there are a number of questions we hope to explore in more detail. One basic question is the origin of these massive black holes. Heavy (≳30 M⊙) black holes are expected to exist as the result of stellar evolution, and have been predicted to dominate the LIGO signal.” (M⊙ = solar mass ~equivalent to mass of the sun; LIGO = The Laser Interferometer Gravitational-Wave Observatory).
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