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What is SpaceX?

SpaceX is an American aerospace manufacturer and space transport services company

Space Exploration Technologies Corporation, better known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California, United States. It was founded in 2002 by Tesla Motors CEO and former PayPal entrepreneur Elon Musk with the goal of creating the technologies to reduce space transportation costs and enable the colonization of Mars. It has developed the Falcon 1 and Falcon 9 launch vehicles, both designed to be reusable, and the Dragon spacecraft which is flown into orbit by the Falcon 9 launch vehicle to supply the International Space station (ISS) with cargo. A manned version of Dragon is in development.

SpaceXs achievements include the first privately funded, liquid-propellant rocket (Falcon 1) to reach orbit, in 2008; the first privately funded company to successfully launch, orbit and recover a spacecraft (Dragon), in 2010; and the first private company to send a spacecraft (Dragon) to the ISS, in 2012. The launch of SES-8, in 2013, was the first SpaceX delivery into geosynchronous orbit, while the launch of the Deep Space Climate Observatory (DSCOVR), in 2015, was the companys first delivery beyond Earth orbit.

SpaceX began a privately funded reusable launch system technology development program in 2011 and, in December 2015, successfully returned a first stage back to a landing pad near the launch site and accomplished a propulsive vertical landing. This was the first such accomplishment by a rocket on an orbital trajectory. On April 8, 2016, with the launch of CRS-8, SpaceX successfully vertically landed a first stage on an ocean drone-ship landing platform on a mission that also delivered a Dragon space capsule to Low Earth Orbit. On May 6, 2016, SpaceX again landed a first stage, but on a geostationary transfer orbit mission, another first.

Source: Wikipedia

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What does NASA mean?

NASA means National Aeronautics and Space Administration

NASA is an independent agency of the United States federal government responsible for the civilian space program as well as aeronautics and aerospace research.

President Dwight D. Eisenhower established NASA in 1958 encouraging peaceful applications in space science. Since that time, most US space exploration efforts have been led by NASA, including the Apollo moon-landing missions, the Skylab space station, and later the Space Shuttle. Currently, NASA is supporting the International Space Station and is overseeing the development of the Orion Multi-Purpose Crew Vehicle, the Space Launch System and Commercial Crew vehicles. The agency is also responsible for the Launch Services Program (LSP) which provides oversight of launch operations and countdown management for unmanned NASA launches. NASA is also responsible for the training of astronauts.

Source: Wikipedia

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