A new age is dawning in U.S. space exploration: Entrepreneurs such as Richard Branson, Elon Musk, and Jeff Bezos, are working to open up human spaceflight, once the domain only of governments, to the private sector and the public. Soon, anyone will be able to go to space just by purchasing a ticket on a suborbital space flight, and several companies are working on orbital space missions as well. Scientists, teachers, artists, and even kids will travel to space by the thousands and experience the wonder of weightlessness and seeing the Earth from above.
"These companies are bringing the…
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