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Fast Facts
Omega Centauri Globular Cluster

Omega Centauri, NGC 5139


The brightest and largest globular cluster in the Milky Way, containing as many as 10 million stars


The globular cluster is found in the constellation Centaurus, in the Southern Hemisphere.

Distance from Earth

16,000 light-years


The portion of the globular cluster imaged is 6.3 light-years across.

A panoramic view of a colorful assortment of 100,000 stars in the core of the giant star cluster, Omega Centauri.

Enlarge Image


"Fast Facts: Omega Centauri Globular Cluster" is a table that lists the name, location, size, and distance of the globular cluster from Earth. An image of the cluster is included.

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Adaptable, at teacher's discretion
How to use in the classroom

Use this resource as:

A source of information. Read the table to find out about this object.

A mapping activity. Locate the cluster's associated constellation on a star map.

A large-number recognition activity. Have students look at several Fast Fact tables, including this one. Ask them to place the objects described in the Fast Fact tables in order, starting with the object closest to Earth and ending with the one farthest away.

An inquiry tool. Have students write down questions they would like answered about the image and the information in the Fast Facts table.

An engagement tool. Involve students in a discussion.

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