Friday, February 1, 2008

apod 3.4

This is a picture of the young star cluster Westerlund 2. The black and white part of the picture is from the Spitzer Space Telescope and the purple part, which is in false color, is from the Chandra X-ray image data. The description says that this cluster of stars could be over 2 million years old! it is hard to fathom something that old. It makes the earth seem like a baby.

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