PBS
Pbs Learning Media: How Big Is the Universe?
In this media-rich essay from the NOVA Web site, astronomer Brent Tully of the University of Hawaii walks you through the latest scientific theories about the size of the universe.
CK-12 Foundation
Ck 12: Earth Science: Expansion of the Universe
[Free Registration/Login may be required to access all resource tools.] Recognize how redshift suggests the universe is expanding.
CK-12 Foundation
Ck 12: Earth Science: Expansion of the Universe
[Free Registration/Login may be required to access all resource tools.] Recognize how redshift suggests the universe is expanding.
University of Illinois
University of Illinois: Cosmic Mystery Tour
This multimedia tour is extremely dense with information about the origin of the universe. There are videos and simulations to assist with understanding, but it is definitely for advanced students.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Universe May Disappear From View
From ABC News in Science, Larry O'Hanlon's article on the universe presents research related to the expanding of the universe and the corresponding distance between planetary objects.