Cosmic Times
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Lessons

Download all lessons, along with the glossary and newsletters (doc, pdf).
(Note that the pdf of the newsletters are included in the .doc file.)

  • Discovering the Milky Way – Students will look at historic astronomical data to find a pattern originally seen by Henrietta Leavitt.

  • Just How Far is that Star? – Students will work with light meters to determine how astronomers find distances to objects of known brightness.

  • Cosmic CSI: Stellar Fingerprints and Doppler Red Shifts – Students will explore what spectra from different elements looks like and how astronomers can learn composition of objects with this tool.
    • Lesson Plan (doc, pdf)
    • Handout with sample spectra to view and identify (PDF)

  • Determining the Universe– Students will measure the size of several galaxies to reproduce a plot of Hubble's Law.
    • Lesson Plan (doc, pdf)
    • Supporting Materials:
      • Appendix A: The Rule of 57 (doc, pdf)
      • Appendix B: Galaxy Images (doc, pdf)
      • Appendix C: Galaxy Fact Cards (doc, pdf)
      • Appendix D: Questions for Students (doc, pdf)

  • Unsung Heroes of Science– Students will explore figures in science who are often overlooked.

Cosmic Times is a product of the Imagine the Universe! website. Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Cosmic Times Team
Cosmic Times Project Leaders: Dr. Jim Lochner and Dr. Barbara Mattson
Curator:Meredith Gibb
Responsible NASA Official:Phil Newman
All material on this site has been created and updated between 2007-2008.
Last Updated: Tuesday, 05-Aug-2008 14:23:34 EDT