This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
A comp. en Abell Train Wreck cluster composite view Chandra Xray observatory site Harvard University acomp JPEG Image pixels Scaled harvard edu NASA PDUSGov wrong This is not solely NASA data and CFHT is not public domain Abell Chandra images
Page 2023 Free-images.com. All images are Public Domain