Type

Intermediate mass

Location

In the constellation Pegasus

Distance

34,000 light-years (10.5 kiloparsecs)

Mass

Approximately 1500 to 3,000 times the mass of the Sun

Size

Diameter roughly the size of Mars to the size of Earth

Discovery Methods

• Measuring the motions of stars

M15

A ground-based view of the entire M15 cluster

A Hubble Space Telescope view of the core of M15

A Hubble Space Telescope view of the entire cluster

This document was last modified: February 13, 2012.