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Space plans previewed

Billionaire Robert Bigelow is due to detail the business plan behind his orbital space venture at the National Space Symposium on Tuesday, and over the weekend Aviation Week & Space Technology published a preview. Bigelow outlined a timetable that called for three private-sector space stations to be available in orbit for tenants by 2015. But that's not the only big plan that's being previewed on the Internet. Click on the links to learn more about Bigelow Aerospace's vision as well as the SpaceShipOne patent, NASA's CosmosCode scheme and a sky show worth making your own plans for:

• Aviation Week: Bigelow reveals business plan

• SpaceRef: SpaceShipOne patented | Rand's reaction 

• Wired: Young scientists design open-source program

• San Antonio Express-News: See Venus and the Seven Sisters