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In this activity, students compare two images of the Crab Nebula taken more than 40 years apart. By measuring the motion of some of the knots of glowing gas in the neubla, students will be able to determine the date of the supernova explosion that set the Crab Nebula into motion. This is Activity 2 of the "Supernova Educator's Guide" developed by the XMM-Newton and GLAST E/PO programs. The guide features background information, assessment rubrics, student worksheets, extension and transfer activities, and alignment to national education standards. Note: In 2008, GLAST was renamed Fermi, for the physicist Enrico Fermi.
This resource is located on page 17 of the PDF document.