Space/Science — HabitableZone

Space/Science » in reply to The Heart of the Dragon

A big dragon, but...

The Milky Way's collapsar is estimated at 2.6 million solar masses.

The one at the center of the huge ellipitcal galaxy Messier 87 is
estimated at 3 billion solar masses.

http://en.wikipedia.org/wiki/Elliptical_Galaxy_M87

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