space search engine startups

Launching Next has discovered 2 space search engine startups.

http://www.spaceref.com

SpaceRef - Space News and Reference

SpaceRef is a space news and reference site. This includes space exploration and missions, a space calendar of events, interactive space news and a space directory and search engine.

http://www.khanacademy.org

Khan Academy

With a library of over 3,000 videos covering everything from arithmetic to physics, finance, and history and hundreds of skills to practice, we're on a mission to help you learn what you want, when you want, at your own pace.

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