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Got Calcium?

Lithograph with Classroom Activity

Litho Front: X-ray Image of Exploded Star Where do the elements around us come from? Many are produced in stars, and liberated when these stars explode. This lithograph features a beautiful image of the remains of an exploded star, taken by NASA's new Chandra X-ray Telescope. The back explains stars' roles as "mighty chemical factories," and contains a classroom activity.
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Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Nicholas White (Director), within the Exploration of the Universe Division (EUD) at NASA's Goddard Space Flight Center.

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Project Leader: Dr. Jim Lochner
Curator:Meredith Bene
Responsible NASA Official:Phil Newman
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