Elon Musk: In Seven Years, SpaceX Could Land Humans on Mars https://t.co/kta2IbPjgM #travel #vacation #summer #world #trip

Elon Musk: In Seven Years, SpaceX Could Land Humans on Mars https://t.co/kta2IbPjgM #travel #vacation #summer #world #trip

— Blogosum (@blogosum) September 29, 2017