This has been reported in news.sky.com dated 22 December 2015.
The three earlier attempts of SpaceX rockets to land on a platform at sea had failed. In fact, the June flight exploded while on its way to re-supply the International Space Station.
When the 15-storey Falcon 9 rocket touched down at Florida's Cape Canaveral, there was celebrations all around among the SpaceX people.
The first-stage booster landed on a giant X after successfully sending 11 satellites into orbit for US telecoms company OrbComm. The landing happened 10 minutes after lift-off and was six miles away on a reinforced concrete surface.
SpaceX is the brainchild of Elon Musk, the billionaire and founder of Tesla electric cars. He has hopes of dramatically reducing the launch costs by reusing rockets. This concept would revolutionize space travel and open the gate to more people. In return, its pioneers will make a lot of money.
The present practice is to jettison the rocket boosters after a couple of minutes and land in the sea from where they are recovered and eventually refurbished. This is a costly and time-consuming process.
(Image courtesy wikimediacommons.org)
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