Like NGC 602, NGC 2264 is a cluster of young stars between one and five million years old. (For comparison, the sun is a middle-aged star about 5 billion years old—about 1,000 times older.) ...

But what about shapes in space clouds? If you glance at NGC 2264, you'll see very quickly why this cluster of stars is nicknamed the "Christmas Tree Cluster." This cluster has become the recent ...

The US Space Agency released an image of NGC 2264, a group of young stars, that's also known as the 'Christmas tree' cluster because of its shape. Scientists have highlighted the gas in the nebula ...