The first reading from a cosmic "uranium clock" using The European Southern Observatory (ESO) Very-large Telescope (VLT) UV-Visual Echelle Spectrograph came out this month. The Chilean-based VLT is the world's largest optical telescope array. It holds a visual spectograph that was used to measure the amount of the radioactive isotope Uranium-238 in a star named CS 31082-001 that was born when our...

NOVA's Runaway Universe site is the companion Web site to the television program of the same name, which followed the efforts of two rival teams of astronomers as they search for exploding stars, map out gigantic cosmic patterns of galaxies, and grapple with the ultimate question: What is the fate of the universe? Visitors of the site will find an interactive timeline of the universe, learn what...

First, NASA furnishes a fabulous tutorial about the big bang theory and the evolution of the universe (1). Visitors can discover the foundation of the big bang theory, the observational tests, and the limitations and extensions of the theory. The second website, developed by Maxine Phaisalakani at the University of Toronto, introduces in a slide show presentation research that led to the discovery...

With Macromedia Flash Player, this website, created by the Physics Division of Lawrence Berkeley National Laboratory, "presents an interactive tour of the history and the fate of the universe." By taking a journey through the universe, students can learn about the expansion of the universe. The site provides logical explanations of cosmic distances, the Big Bang, dark matter, and much more....