A.i.r.s.i.c.k.

Advised Introduction to Rocket Science (Including Crashes) for Kerbals

A website/booklet inspired by Kerbal Space Program covering the basics of spaceflight and orbital mechanics. The material is freely available, but you can make a payment to support the project.

Front cover

Illustration by MK01, also known as Riess

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Chapter banners by Lunniy Korabl