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XMM-Newton Education and Public Outreach
Sonoma State University Education and Public Outreach Goddard Space Flight Center Sonoma State University Education and Public Outreach

XMM Ruler

This English/metric ruler showcases some of the X-ray images obtained using XMM-Newton, and provides descriptive captions on the reverse side.

While the ruler itself is no longer available, the graphic for the ruler is shown below and can be downloaded as a PDF by clicking the image. You can also read a more detailed description of each image.

XMM-Newton ruler image.

XMM-Newton Ruler Activity: "Estimation & Measurement to the Nearest Centimeter"

An activity using the XMM-Newton ruler for students Grades 4-5 was created by a school teacher, and you can download it through the links below.

These activities were created by:
Nancy Cooper
Science Resource Teacher
Jennie Dean Elementary
Manassas City Schools

Thank you Nancy.

If you have any questions concerning XMM-Newton send e-mail to


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