Type

Supermassive

Location

in the constellation Leo

Finder Chart

Distance

33 million light-years (11.2 megaparsecs)

Mass

30 million to 120 million times the mass of the Sun

Size

As small as Venus' orbit around the Sun to as large as the asteroid belt

Discovery Methods

• Measuring the motions of stars

1

A Hubble Space Telescope image of NGC 3377. [Karl Gebhardt/Tod Lauer/NASA]

This document was last modified: February 1, 2006.