The Case of the Disappearing Continent

This infrared image from NASA Spitzer Space Telescope shows a swirling landscape of stars known as the North America nebula. Clusters of young stars about one million years old can be found throughout the image.

This infrared image from NASA Spitzer Space Telescope shows a swirling landscape of stars known as the North America nebula. Clusters of young stars about one million years old can be found throughout the image.