Advanced CCD Imaging Spectrometer
 | This article has not been added to any content categories. Please help out by adding categories to it so that it can be listed with similar articles. |
 | Template:Wikify is deprecated. Please use a more specific cleanup template as listed in the documentation. |
ACIS, the AXAF CCD Imaging Spectrometer, is an instrument built by a team from the Massachusetts Institute of Technology's Center for Space Research and the Pennsylvania State University for the Chandra X-ray Observatory (formerly, AXAF)