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HII Regions - Stellar Nurseries - Windows to the Universe

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The Orion Nebula - A stellar nursery
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Stellar Nurseries

New stars are being born right now in the constellation of Orion, the hunter. Stars form from gas, and so when they are young they can be found in big clouds of gas called nebulae. The Orion Nebula is one of these stellar nurseries.

The stars of the Trapezium are young blue stars. It is their energy which makes the nebula glow. The Orion nebula is kind of circular in shape, and it glows with a characteristic red color. All stellar nurseries have this color. There are many of these types of nebulae with young stars in the disk of our Galaxy.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF