A solstitial illumination of heavenly horrors

By Dan Hicks

A special winter solstice lecture at our Cranbrook Public Library will pull its audience into the frightful relativistic mechanics of the ravenous gravitational monsters haunting the roiling hearts of all ginormous galaxies, including our own Milky Way Galaxy.

Lead image: Supermassive black hole M87*, at the center of the M87 elliptical galaxy in Virgo, blasts dual cosmic jets 5,000 light-years out into intergalactic space (only a single jet is portrayed). Artist M Kornmesser, European Space Agency (ESO). April 10, 2019

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