The Nature of the Universe
Great Debate in 1998: Images

Owen Gingerich describes the historic origins of modern cosmology.

Joseph Silk describes the scientific foundations of modern cosmology.

P. James E. Peebles describes how cosmologists need more information before being really confident that the true nature of our universe is known.

Michael Turner uses one of his famous colorful viewgraphs to describe how we might have, for the first time, a full accounting of all the energy-density in the universe.

Moderator Margaret Geller discusses issues of astronomical importance with James Peebles.

Organizers Robert Nemiroff and Jerry Bonnell confer on the side "about how things are going." Eventually they agree that "things are going well."

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