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If you can master this website, you will be a steely-eye missile person; and any science fiction you create will have better scientific accuracy than 99% of the crap that is out there now.

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Space Flight became and remained the central myth of sf because it was the ultimate window of opportunity, through which the entire Universe could be viewed – and, ultimately, known. And there are one or two pages here that have hardly any equations at all.

In genre sf, the ultimate aim of technological progress is, in the words of Mack Reynolds, "total understanding of the cosmos". I'm here to make you into steely-eyed missile people, blasting off and leaving all those trekkies choking on your rocket exhaust. Real rocket scientist know what metric units to use in rocket equations (metre—kilogram—second, centimetre—gram—second, SI). So, for the benefit of all you ground-grippers, I'm going to explicitly specify what metric units to use in each equation.

DISCLAIMER: I am not a rocket scientist, merely an amateur that has read a lot of books.

Any and all of the information on these pages may be incorrect or inaccurate.

But since I have yet to find a website like this written by a real live rocket scientist, I had to write it myself, as unqualified as I am.

However, if I do put inaccurate information on this site, occasionally Internet readers will send me corrections. There is some controversy over a few technical details on this site.That way people will not have to jump around so much.So don't complain if you find yourself reading the same thing twice.You will need one that handles natural logarithms (the key).To do square roots using the calculator program that comes with Microsoft Windows, use the "View" menu to set the view type to "Scientific", click the "Inv" checkbox, then use the "x^2" key.If man survives for as long as the least successful of the dinosaurs—those creatures whom we often deride as nature's failures—then we may be certain of this: for all but a vanishingly brief instant near the dawn of history, the word 'ship' will mean— 'spaceship.' Like the Romantics before them, genre-sf writers have generally been on the side of Faust, convinced that the quest for knowledge was a sacred one, no matter how fondly a jealous God might prefer blind faith.