This is a fossilised feather from an archaeopteryx, and it is x-rayed. There is a palaeontologist at the University of Manchester, and he's called Dr Phil Manning, and he x-rayed the feather to find out what colours archaeopteryx feathers were.
And he found out that they were black and white! The x-ray light was brighter than a million suns! That is a lot - a million suns!
You can read more on the University of Manchester website: http://www.manchester.ac.uk/aboutus/news/display/?id=10202 (edit from Mummy: bottom image taken from there, top image taken from http://blogs.rsc.org/ja/2013/06/13/plumage-patterns-in-a-150-million-year-old-bird-revealed/ )
You can read more on the University of Manchester website: http://www.manchester.ac.uk/aboutus/news/display/?id=10202 (edit from Mummy: bottom image taken from there, top image taken from http://blogs.rsc.org/ja/2013/06/13/plumage-patterns-in-a-150-million-year-old-bird-revealed/ )
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