Other worlds on the Web

I'm talking about "The Case for Pluto" and the search for planets again this week in the Second Life virtual world. You can catch me during a return appearance on "Virtually Speaking" with host Jay Ackroyd at 6 p.m. SLT/PT tonight. Then I'll be giving a talk at the Meta Institute for Computational Astrophysics at 10 a.m. SLT/PT Saturday. Don't worry: I'll go easy on the computational astrophysics. And even if you miss seeing my spruced-up avatar in real time, both talks will be archived.

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Here are some additional dispatches about other worlds on the Web:

• New Scientist: Designing greenhouses for Mars
• Pink Tentacle: Japanese robots on moon by 2015?
• Boston Globe: Space, the designer's final frontier
• Space.com: Spots on Pluto may be tar and frost