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In the War of Software Superpowers, a Space Race Dawns

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By Steven Levy
Wednesday, March 26, 2008

Normally my digital peregrinations take me to destinations such as Facebook, YouTube and Boingboing.net. But lately I've been spending time visiting the Crab Nebula, Cassiopeia A and the Sombrero Galaxy. These addictive celestial visits come courtesy of two remarkable interactive astronomy programs from two companies that would love to vaporize each other -- Google and Microsoft. When the Cold War superpowers the United States and the former Soviet Union, contemplated moving their conflict to outer space, there was justifiable fear and dread. But a similar escalation by software superpowers may turn out to be a boon for all.

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Last summer, Google integrated an astronomy component into its Google Earth program, and last month made Google Sky accessible straight from the Internet. Later this spring, Microsoft will release its own attempt to boldly go where no man has gone before, a Windows-only program called WorldWide Telescope.

Both efforts offer a means to embark on celestial explorations that skillfully integrate astounding images from telescopes, including three of the most celebrated satellite-based probes: Hubble, the Chandra X-ray and the Spitzer Infrared (no prostitute jokes, please); the images capture galaxies, star systems and even evidence of black holes from thousands of light-years away. Both efforts offer users a chance to navigate their way through the ether. Both include an incredible amount of information (Google Sky has 200 million viewable galaxies; WorldWide Telescope will launch with 1.2 million galaxies but soon add 2 billion more). Both allow amateur stargazers to enhance the programs with their own observations. And both have astronomers raving about how these will not only popularize the field but also help scientists do their work.

You would expect that when two bitter competitors go head-to-head on similar products, the sniping would approximate the level of acrimony between Sens. Hillary Rodham Clinton and Barack Obama. But though my questions to each company were painstakingly crafted to elicit snotty remarks about the other's program, neither Google nor Microsoft took the bait. Maybe this is in part because neither company has plans to monetize its space program. For now at least, these are loss leaders for mind-share and goodwill. Each refers to the other's product with respect, and the two companies say they hope and expect that though the programs currently encode celestial data a bit differently, eventually Sky and Telescope will be interoperable. "If there's one thing that's universal, it's sky and space," says Google Sky's product manager, Lior Ron.

Yet despite the fact that both draw on the same publicly available images, there are differences, reflecting each company's unique DNA. Google Sky began as one of those "20 percent" projects, where an engineer gets to spend a fifth of his time on anything he chooses. It was launched as part of Google Earth, which features terrestrial satellite imagery; conceptually, Google Sky is what happens when you turn the Earth program's orbiting cameras in the opposite direction. Users can add layers of new content onto Google Sky, much as they can with Google Earth.

WorldWide Telescope, on the other hand, grows out of Microsoft's high-end research division, where some world-class wizards, notably computer scientist Jim Gray, have been lending their talents to the scientific community to help organize satellite imagery for years. (WorldWide Telescope is dedicated to Gray, who went missing on his sailboat last year.) The lead developer, Curtis Wong, has an impressive background in creating multimedia experiences and the WWT has a powerful and intuitive interface, so attractive that astronomers are hoping to use an upcoming pro version for serious scientific work.

One of its key features is the ability to create elaborate guided tours of specific slices of the skies. Like podcasts, the multimedia tours will be available to WWT users. "Stories draw people into the sky, and we allow people to share their own stories about the sky," Wong says. Some of the early tours are by professional astronomers, such as Alyssa Goodman's primer on space dust. Wong himself has created a Cassiopeia flyby with a soundtrack by guitarist Robert Fripp. Another tour has been created by a precocious 6-year-old.

Maybe the best way to sum up the differences is that Google Sky is like going into your back yard and finding that your eyes have been enhanced by super telescopes. The WorldWide Telescope, on the other hand, is like importing a multimillion-dollar planetarium onto your desktop, with dazzling multimedia tours of distant galaxies available on demand, and a nagging question forming in your head: "Is this on the quiz?"

But by and large, this battle for the skies is not as much a tale of competition as of inspiration. "Everyone in the astronomy community is thrilled that two of the biggest companies in technology are making this type of investment," says Eli Bressert, who refines the images captured by the Chandra telescope. "Google Sky and WorldWide Telescope will democratize the universe." Maybe one day Saturn will be brought to you by General Motors and candy bar ads will be wrapped up with the Milky Way. But for now, both Google and Microsoft are aiming for the heavens in more ways than one.

Steven Levy, a senior editor at Newsweek, can be reached atsteven.levy@newsweek.com.


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© 2008 The Washington Post Company

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