Billionaire space battle takes to Twitter: Jeff Bezos takes aim at Elon Musk by tweeting first images of model 'megarocket' - just hours after SpaceX founder showed off Mars rocket engine
http://www.dailymail.co.uk/sciencetech/article-3808605/Billionaire-space-battle-takes-Twitter-Jeff-Bezos-takes-aim-Elon-Musk-tweeting-images-model-megarocket-just-hours-SpaceX-founder-showed-Mars-rocket-engine.html
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