references
ulalaunch.com/uploads/docs/Published_…
upload.wikimedia.org/wikipedia/common…
currentresults.com/Weather/US/average…
nationalgeographic.com/magazine/2013/…
space.com/34234-spacex-mars-colony-pl…
fastcompany.com/3016331/think-the-wor…
nasa.gov/centers/kennedy/launchingroc…