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You are here		selenianboondocks.com The Unreasonable Energy Efficiency of Conventional Orbital Rockets, Part One: Versus the F-150 \| Selenian Boondocks
\|	\|	caseyhandmer.wordpress.com Antimatter is the best post-chemical rocket propulsion system - Casey Handmer's blog	11.7 parsecs away Travel
\|	\|	Or, how to explore the solar system and be back in time for Thanksgiving. It's no secret that I'm a space nerd. One of the major headaches of human space travel is that if you put the enthalpy of combustion, the melting point of metal, the Tsiolkovsky rocket equation, and the escape velocity of the...	11.7 parsecs away Travel
\|	\|	www.space.com What is a satellite? \| Space	13.4 parsecs away Travel
\|	\|	Artificial satellites from Earth have only populated space since 1957, but there are now hundreds of thousands of objects from our planet in orbit.	13.4 parsecs away Travel
\|	\|	damagemag.com The Battle for Space Dominance	14.0 parsecs away Travel
\|	\|	More and more satellites are being sent into space all the time, providing crucial communications infrastructure that is imperiled by competition between the corporate entities involved.	14.0 parsecs away Travel
\|	\|	www.planetary.org What is a planetary conjunction? \| The Planetary Society	53.2 parsecs away Travel
\|		An explainer on planetary conjunctions, and what it means when a planet is at conjunction or at opposition.	53.2 parsecs away Travel