Projectrho

Atomic Rockets is a website established in 1994, originally providing rocketry equations and back-of-the-envelope calculation tools for hard science fiction authors and game designers. It later expanded to cover additional science fiction-related topics including galactic empires and interstellar trade, and offers related merchandise such as nomograms, posters, and branded items. Updates to the site are described as sporadic.

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0 shouts Added Sep 23, 2026 projectrho.com
projectrho.com/public_html/rocket/
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