Test Of Big Space Rocket Set For Late 2012

An American space company says a powerful new rocket should be ready for a test launch by the end of next year. The company is Space Exploration Technologies, or SpaceX. Its new rocket is called the Falcon Heavy.

Test of Big Space Rocket

Company officials say it will be able to TRANSPORT SATELLITES or spacecraft weighing up to fifty-three metric tons into orbit. Fifty-three metric tons is one hundred seventeen thousand pounds. That load weight is double the capacity of NASA space shuttles. The space agency is retiring its shuttles after thirty years.

Elon Musk is the chief executive officer of SpaceX.

ELON MUSK: "One hundred seventeen thousand pounds is more than a fully loaded Boeing 737 with one hundred thirty-six passengers, luggage and fuel in orbit. So that is really, really humongous. It's more payload capability than any vehicle in history, apart from the Saturn Five."

NASA used Saturn Five rockets during its Apollo and Skylab programs in the nineteen sixties and seventies. A Saturn Five launched the Apollo 11 mission that landed the first humans on the moon in nineteen sixty-nine.

The rockets were removed from service in nineteen seventy-three. But they remain the most powerful ever built.

Elon Musk says the Falcon Heavy will be the second most powerful rocket ever. He says it was designed to do more than carry satellites and other equipment into space. He says the rocket was designed to meet NASA's ratings for human flight safety. So it could someday be used to carry astronauts and other travelers into space.

Mr. Musk says the Falcon Heavy could also be used for missions like carrying a robotic lander to collect samples from Mars.

ELON MUSK: "It has so much capability, so much more capability than any other vehicle, that I think we can start to contemplate missions like a Mars sample return, which requires a tremendous amount of lift capability because you've got to send a lander to Mars that still has enough propellant to return to Earth."

The first launch is planned from the company's launch site at Vandenberg Air Force Base in California. A launch from Cape Canaveral, Florida, is expected in late twenty-thirteen or fourteen.

In time, SpaceX hopes to launch ten Falcon Heavy rockets a year. It says the rocket should reduce launch costs to about two thousand dollars a kilogram. That is about one-tenth the cost of carrying loads into orbit on a space shuttle.

SpaceX already has a billion-and-a-half-dollar deal with NASA to use a smaller rocket to transport cargo to the International Space Station. The rocket is the Falcon 9, and the deal is for after the two last shuttles -- Endeavour and Atlantis -- are retired this year.

And that's the VOA Special English Technology Report, written by June Simms and Jessica Berman. I'm Steve Ember.

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