Disappearing Continent

Product Description

In visible light, the area resembles the continent of North America. This is also why it is known as the North America nebula. This image is taken by NASA's Spitzer Space Telescope. This telescope detects infrared light at wavelengths of 3.6, 4.5, 5.8 and 8.0 microns. As infrared light can penetrate dust, the dark clouds become invisible. Visible light on the other side, cannot pass through dust and the clouds are easily visible as dark areas.
Still, there are many things to see in this view. Clusters of young stars, about one million years old, can be seen all over the view. Also, there are slightly older stars, about three to five million years, dispersed over the image. The darkest areas in the image are clusters of the youngest stars in the complex. These stars are less than one million years old.
In this view, the colours had to be changed in order to make the image visible as the human eye cannot see infrared waves.
This discs comes with a scenic disc showing telescopes. This makes everybody feel even more like a real astronomer.

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