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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 is Mars?

Mars is the fourth planet from the Sun in the Solar System and the second-smallest solid planet

Mars is the fourth planet from the Sun in the Solar System and the second-smallest solid planet. Mars is rocky and cold, with polar ice caps of frozen water and carbon dioxide. It has the largest volcano in the Solar System, and some very large impact craters. Mars is named after the mythological Roman god of war because it is a red planet, the colour of blood.

The planet Mars is made of rock. The ground there is red because of iron oxide (rust) in the rocks and dust.[7] The planet’s atmosphere is very thin and contains a lot of carbon dioxide and a very tiny amount of oxygen. The temperatures on Mars are colder than on Earth, because it is farther away from the Sun and has less air to keep warmth in. There is water ice and frozen carbon dioxide at the north and south poles. Mars does not have any liquid water on the surface now, but signs of run-off on the surface were probably caused by water. Mars has two small moons, called Phobos and Deimos.

Source: Wikipedia

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