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Aalok Mehta in Boston, Massachusetts
National Geographic News

February 18, 2008
More than half of the sunlike stars in the galaxy could have terrestrial planets with the potential to harbor life, a new study suggests.

The research, announced yesterday at a meeting of the American Association for the Advancement of Science in Boston, Massachusetts, is just one of a set of recent findings that suggest the roster of potential life-harboring worlds is huge—even in our own solar system.

"Our observations suggest that between 20 percent and 60 percent of sunlike stars form rocky planets like our solar system's," said Michael Meyer, an astronomer at the University of Arizona, at a press briefing Sunday.

Meyer and his team used NASA's Spitzer Space Telescope to study heat from the dust around sunlike stars of various ages, much like looking at "the smoke you see rising from chimneys in Boston on a cold day."

Such hot dust implies that larger rocky bodies are forming and colliding in the "messy" business of planet formation, Meyer explained.

Planet-forming dust was found at one to five times the distance from the sun to Earth, Meyer said (see an interactive map of the solar system.)

The dust was also seen in young stars but was absent from most stars older than 300 million years—a perfect fit with current models of planetary formation, he added.
Mon, February 18, 2008 - 11:28 AM permalink - 3 comments
Full disclosure: I used to own a record label. That label, Luaka Bop, still exists, though I'm no longer involved in running it. My last record came out through Nonesuch, a subsidiary of the Warner Music Group empire. I have also released music through indie labels like Thrill Jockey, and I have pressed up CDs and sold them on tour. I tour every few years, and I don't see it as simply a loss leader for CD sales. So I have seen this business from both sides. I've made money, and I've been ripped off. I've had creative freedom, and I've been pressured to make hits. I have dealt with diva behavior from crazy musicians, and I have seen genius records by wonderful artists get completely ignored. I love music. I always will. It saved my life, and I bet I'm not the only one who can say that.

What is called the music business today, however, is not the business of producing music. At some point it became the business of selling CDs in plastic cases, and that business will soon be over. But that's not bad news for music, and it's certainly not bad news for musicians. Indeed, with all the ways to reach an audience, there have never been more opportunities for artists.
Thu, January 31, 2008 - 5:55 PM permalink - 1 comment
Shpongle is one of my all time favorite bands on spaceship earth and they are coming to the town I live in. I feel like shouting from the rooftops! Shpongle Shpongle Shpongle!
Thu, March 22, 2007 - 9:25 PM permalink - 0 comments
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