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...more observations and to their computers to analyze years' worth of data still sitting in their disk drives. Everyone wants to be the next to find a distant world. The scientists are eagerly awaiting the results from the Infrared Space Observatory (ISO), a newly orbiting European satellite that can detect the faint heat from distant planets. They're looking forward to the 1997 installation of a new infrared camera on the Hubble Space Telescope, which could take a picture of at least one of the newly discovered worlds...
...when William Herschel found Uranus. Then came the discovery of Neptune by Johann Galle in 1846. Eventually, the notion of otherworldly life made the transition out of the pages of philosophy and fiction: in 1894, the wealthy astronomer Percival Lowell built his own observatory in Arizona to try to detect the life he believed existed on Mars. He never found it, but in 1930 Clyde Tombaugh, then an assistant at Lowell Observatory and now a professor emeritus at New Mexico State University, found Pluto. It was the last planet that would be discovered until the 1990s...
While some astronomers searched for planets, others tried to detect intelligent alien life directly. In 1960, astronomer Frank Drake started Project Ozma, an attempt to look seriously for radio signals from alien civilizations. It was the first in what became a series of experiments in seti, the Search for Extra-Terrestrial Intelligence. Several are still going on, but so far without success...
...telescope they use, at Lick Observatory in the mountains above California's Silicon Valley, has an excellent view of the heavens. It also has one of the world's finest spectrometers. After a major refurbishment in November 1994, the device was even better. In principle, says Marcy, "we could detect not just Jupiters but Saturns...
...anti-virus software. Perhaps the easiest thing you can do is install software that can detect and intercept viruses before they can harm your system...