TYWKIWDBI ("Tai-Wiki-Widbee")
"Things You Wouldn't Know If We Didn't Blog Intermittently."
06 April 2009
The Cartwheel galaxy
An image provided by NASA on Thursday shows the Cartwheel galaxy.
About 100 million years ago, a smaller galaxy plunged through the heart of Cartwheel
, creating ripples of star formation. (Associated Press/NASA)
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