NASA's Spitzer Space Telescope has spotted seven Earth-sized planets orbiting around a single star. Most importantly three of those planets are in the habitable zone, which encompasses "the area around the parent star where a rocky planet is most likely to have liquid water."
Let's take a look at six companies competing for a slice of space exploration.
Backer: Orbital Sciences, a publicly traded company
Was just awarded a $78.18m-worth contract to "provide integration and testing services for the space test programme satellite-6 (STPSat-6) through August 2021."
Crazy wealthy backer: Robert Bigelow of Budget Suites
For the last sixteen years they have been advancing inflatable habitat technology
SpaceDev/Sierra Nevada Corp.
Backing: Sierra Nevada Corp., of Sparks, Nev
NASA selected them for anticipated cargo missions to fly between 2019 and 2024
Crazy wealthy backer: Richard Branson, founder of VirginGroup's personal fortune
They charge $250,000 a person for membership in the Future Astronauts program and a trip to space.
This article was written by a staff member of TheStreet.