You Don't Need To Build A Rocket To Prove The Earth Isn't Flat - Here's The Simple Science

In case you need further proof that we are, in fact, living on a globe rather than a flat disc.

from gizmodo http://www.gizmodo.co.uk/2017/12/you-dont-need-to-build-a-rocket-to-prove-the-earth-isnt-flat-heres-the-simple-science/