Two Windows to the Universe employees showing the product of the Frozen Film activity that is listed on the site.
(Windows Original)

Two Windows to the Universe employees showing the product of the Frozen Film activity that is listed on the site.
(Windows Original)

Two Windows to the Universe employees showing the product of the Frozen Film activity that is listed on the site.
(Windows Original)

The source of this material is Windows to the Universe, at http://www.windows.ucar.edu/ at the University Corporation for Atmospheric Research (UCAR). © The Regents of the University of Michigan. All Rights Reserved. Site policies and disclaimer