Hard Science Fiction Tools

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• Plan a Planet that orbits a Main Sequence Star, with several input options
• Compute the DV to change between two elliptic or circular orbits
• Compute the DV to change from an elliptic or circular to a hyperbolic orbits
• Relativistic Rocket Equation
• Compute the Number of Days in a Year
• Apply the Precession of the Equinoxes to a Star's Position
• Compute the times of Rise and Set of a Star
• Hohmann Transfer Orbits in the Solar System
• Compute the difference in days between two dates in Gregorian or Julian Calendars (plus some option computations in Tolkien's Middle-earth calendars)
• Generate a Table for any FONT [this is not Science, but it is useful, and I don't know where I could place it :-)]

Science in Science Fiction and Fantasy

• Dating of Middle-earth events, using Precession of the Equinoxes and Tidal Friction
• Orbital Operations in Science Fiction

Links

• The nomineted sites for the Webs of Wonder contest. . These are sites that combine teaching with science fiction.

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