Elon Musk mocks Jeff Bezos' space colony vision in snarky tweet

Elon Musk is the best thing about Tesla and the worst thing: Melissa Armo
The Stock Swoosh's Melissa Armo on the outlook for Tesla and what to expect from earnings season.
Elon Musk Opens a New Window. believes Jeff Bezos' Opens a New Window. moon plans are loony — and he's not afraid to voice his disapproval to the world.

The SpaceX Opens a New Window. founder put Bezos on blast in an early Thursday tweet, claiming the Blue Origin Opens a New Window. founder's plans to construct futuristic space colonies was half-baked. Bezos has previously described his vision of humans living on miles-long, orbiting space stations called "O'Neill colonies," named after physicist Gerard O'Neill Opens a New Window. , who first floated the concept.

"Makes no sense. In order to grow the colony, you’d have to transport vast amounts of mass from planets/moons/asteroids. Would be like trying to build the USA in the middle of the Atlantic Ocean!" Musk wrote in response to a Twitter user who asked for his opinion on "O'Neil structures."