SpaceX wants to get you from NY-to-Shanghai in 39 mins SpaceX chief Elon Musk gestures as he delivers a speech at the International Astronautical Congress in Adelaide, Australia, Friday, Sept. 29, 2017. Musk's elaborate plan for a mega-rocket to carry astronauts to Mars may have some down-to-Earth applications. (Morgan Sette/AAP Image via AP/SpaceX via AP)
SpaceX wants to get you from NY-to-Shanghai in 39 mins
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SpaceX's chief is Elon Musk. His elaborate plan for a mega-rocket that would carry astronauts to Mars may have some down-to-Earth applications.

Musk held a a conference in Australia on Friday. He said if you build a ship capable of going to the moon and Mars, why not use it for high-speed transport here at home. He proposes using his still-in-the-design phase rocket for launching passengers from New York to Shanghai. He said the trip would take 39 minutes flat.

Traveling from Los Angeles to New York, or Los Angeles to Honolulu would take 25 minutes, while going from London to Dubai would take 29 minutes.

"Most of what people consider to be long-distance trips would be completed in less than half an hour," Musk said. He was greeted by applause and cheers at the International Astronautical Congress. It was held in Adelaide.

A seat should cost about the same as a full-fare economy plane ticket he later noted on Instagram.

Friday's address was a follow-up to one he gave to the group last September in Mexico. He unveiled his grand scheme for colonizing Mars. He described a slightly scaled-down 348-foot-tall (106-meter-tall) rocket and announced that the private space company aims to launch two cargo missions to Mars in 2022.

"That's not a typo," he said. "Although it is aspirational."

Two more cargo missions would follow in 2024. They would provide more construction materials, along with two crewed flights. The window for launching to Mars occurs every two years.

A one-way trips to Mars would take approximately six-months. The SpaceX ships would have 40 cabins and ideally, there would be two to three people per cabin. This would make for a grand total of about 100 passengers. Musk foresees this Mars city growing. He said over time it would "make it really a nice place to be."

Scott Hubbard is an adjunct professor at Stanford University and a former director of NASA's Ames Research Center. He calls it "a bold transportation architecture with aspirational dates." A demonstration of some sort in the 2020s will add to its credibility, he said. "Kudos to Elon and SpaceX for keeping the focus on humans to Mars!"

Former NASA chief technologist Bobby Braun, now dean of the college of engineering and applied science at the University of Colorado at Boulder, also sees Musk's plan as a step in the right direction, building on technologies SpaceX already has demonstrated, like reusable rockets.

"While the timeline and capabilities are certainly ambitious, I'm bullish on U.S industry's ability to carry out challenging and far-reaching goals," Braun wrote in an email. "It's great to see the private sector lead in this way, and I hope we see more of it."

NASA is charting its own path to what it calls the "Deep Space Gateway," beginning with expeditions in the vicinity of the moon in the 2020s and eventually culminating at Mars. The space agency has handed much of its Earth-orbiting work to private industry, including SpaceX, Orbital ATK and Boeing.

Earlier Friday in Adelaide, Lockheed Martin presented its vision for a "Mars Base Camp" in partnership with NASA. Astronauts could be on their way in about a decade, the company said. This first mission would orbit the red planet, rather than land.

Musk intends to finance his $10 billion Mars endeavor by using a rocket that's smaller than the one outlined last year. Fewer engines would be needed: 31 versus the originally envisioned 42. Its lift capability would be 150 tons, more than NASA's old moon rocket, the Saturn V.

He wants one type of booster and spaceship that can replace the company's current Falcon 9 rocket, the soon-to-fly Falcon Heavy rocket designed for heavier satellites, and the Dragon capsule presently used to deliver cargo to the International Space Station, and, as soon as next year, station astronauts.

That way SpaceX can put all its resources toward this new system, Musk said. Revenue from launching satellites, and sending supplies and crews to the space station, could pay for the new rocket, he said.

Musk said the same spaceship for moon and Mars trips - long and cylindrical with small shuttle-like wings - could fly to the space station. He said the mega-rocket could be used to establish a lunar settlement, with spaceships being refueled in Earth orbit versus creating a vital fuel depot at Mars.

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