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Ken Lay of Enron Indicted and Arrested By Andrew L. Jaffee, July 8, 2004 Home   Search   Forum   Terms Enron’s ex-Chairman of the Board has been indicted and arrested on charges connected with his former company’s implosion in 2001. Corporate executives at Enron engaged in all sorts of financial manipulations to pump up the company’s stock price. They created complex “partnerships” to hide company debt from shareholders. In 1998, Enron’s share price was at about $20. By 2000, it hit $90. By 2001, the company’s stock was worthless. Enron’s collapse wiped out billions in shareholder value and employee pensions. Democratic Presidential hopeful John...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 January 30 X-Ray Rings Expand from a Gamma Ray Burst Credit: S. Vaughan, R. Willingale (U. Leicester) et al., XMM, ESA Explanation: Why do x-ray rings appear to emanate from a gamma-ray burst? The surprising answer has little to do with the explosion itself but rather with light reflected off sheets of dust-laden gas in our own Milky Way Galaxy. GRB 031203 was a tremendous explosion --...

A DEVASTATING burst of gamma-rays may have caused one of Earth's worst mass extinctions, 443 million years ago. A team of astrophysicists and palaeontologists says the pattern of trilobite extinctions at that time resembles the expected effects of a nearby gamma-ray burst (GRB). Although other experts have greeted the idea with some scepticism, most agree that it deserves further investigation. GRBs are the most powerful explosions known. As giant stars collapse into black holes at the end of their lives, they fire incredibly intense pulses of gamma rays from their poles that can be detected even from across the universe...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 March 25 A Slow Explosion Credit: Y. Grosdidier (U. Montreal) et al., WFPC2, HST, NASA Explanation: Why would a gamma ray burst fade so slowly? This behavior, recorded last October, is considered a new clue into the cause of gamma-ray bursts, the most powerful explosions known in the universe. The burst, first detected by the orbiting HETE satellite and later tracked by numerous ground-based telescopes, showed an...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 December 19 RAPTOR Images GRB 021211Credit: P. Wozniak, W.T. Vestrand, et al., RAPTOR Project, LANL Explanation: On December 11 astronomers found one of the brightest and most distant explosions in the Universe - a gamma-ray burst - hiding in the glare of a relatively nearby star. The earliest image of the burst's visible light was caught by an earthbound RAPTOR (RAPid Telescopes for Optical Response). The two...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 May 17 Gamma-Ray Burst, Supernova Bump Image Credit: S. Kulkarni, J. Bloom, P. Price, Caltech - NRAO GRB Collaboration Explanation: On the 21st of November 2001, satellites detected yet another burst of gamma-rays from the cosmos. While this flash of high-energy photons lasted for less than a minute, eager astronomers have been following the fading optical light from the location of the burst source ever since. Seen...

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 April 5 Gamma-Ray Burst Afterglow: Supernova Connection Credit: HST Image: D.W. Fox, J.S. Bloom, S.R. Kulkarni (Caltech), et al. XMM Result: J.N. Reeves, D. Watson, J.P. Osborne (University of Leicester), et al. Explanation: What causes the mysterious gamma-ray bursts? Indicated in this Hubble Space Telescope exposure of an otherwise unremarkable field in the constellation Crater, is the dwindling optical afterglow of a gamma-ray burst first detected by...