Government agencies no longer monopolize space flight — private companies are finding new ways to get into space and creating a new era of space travel and exploration. Test your knowledge of the private space race with this quiz.
Elon Musk made his fortune with PayPal and used it to found SpaceX and Tesla Motors.
New Shepard completed an upright soft landing and was reused in January 2016.
The VSS Enterprise was named after the USS Enterprise from "Star Trek."
Blue Origin is a reference to Earth being the blue planet.
SpaceShipTwo is intended to carry six passengers at a time into space for $200,000 per person.
Cygnus has been conducting successful missions to the ISS since 2013.
The Space Coast region adopted the 321 "liftoff" area code in 1999.
The X Prize, intended to drive private space efforts, required a reusable crewed ship to get into space twice in two weeks.
SpaceX put their Falcon 1 craft into orbit in 2008.
SpaceShipOne, funded by Paul Allen, won the X Prize in 2004.
Genesis II is a scaled-down, uncrewed, inflatable space station, intended to test systems for a future crewed station. As of 2016 it is still in orbit.
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United Launch Alliance's Vulcan rocket, powered by BE-4 engines, is the announced replacement for the Lockheed Martin/Boeing Atlas V.
The Dragon craft began ISS resupply missions in 2012.
Virgin Galactic's "smallsat" initiative uses LauncherOne to put satellites that weigh about 400 pounds (181 kilograms) into orbit.
The Minotaur rockets are significantly cheaper than the medium-payload Antares-series rockets, which are used to launch the Cygnus capsule to the ISS.
Space Adventures sent seven different people to the ISS between 2001 and 2009.
When two teams secured launch contracts to attempt the mission in 2015, the Google Lunar X Prize extended its deadline to 2017.
Red Dragon would use SpaceX equipment to send a NASA science mission to Mars to recover and return samples.
Charles Lindbergh won the Orteig Prize by flying the Spirit of St. Louis across the Atlantic Ocean.
The Outer Space Treaty went into effect in October 1967.
COTS stands for Commercial Orbital Transportation Services and was established in 2006.
Although NASA did not select Dream Chaser for ISS crew missions, Sierra Nevada Corp. is partnering with European companies for additional development.
The rockets are named for the Millennium Falcon. Apparently science-fiction movies inspire a lot of space efforts.
Tito went to the ISS in 2001 for a reported $20 million.
The Falcon 9 can lift almost 15 tons into low-Earth orbit.
MirCorp sent the first privately funded crewed mission to the space station in 2000. Mir was deorbited not long after.
The Space Adventures lunar trip would dock with a lunar propulsion module in Earth orbit, go to the moon for several orbits, then return to Earth.
White Knight Two is a fixed wing jet-powered mothership.
Bezos made his money founding Amazon.