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szdaily -> Speak Shenzhen
Hawking: Earth will become a fireball in 600 years
    2017-November-14  08:53    Shenzhen Daily

Physicist Stephen Hawking has issued yet another warning for Earth. He says we have less than 600 years before it turns into a sizzling fireball.

Hawking says that if we don’t leave Earth soon, overpopulation will increase energy consumption and pretty much kill us all.

But Hawking has a plan. Speaking at the Tencent WE Summit in Beijing, Hawking appealed to investors to back his plans to travel to Alpha Centauri. At around four light years away, it’s the closest star system to our sun.

The venture is called Breakthrough Starshot and it would use a tiny spacecraft that travels at the speed of light.

Such a system could reach Mars in less than an hour, or Pluto in days, pass Voyager in under a week and reach Alpha Centauri in just over 20 years.

“Maybe if all goes well, sometime a little after the middle of the century, we’ll have our first picture of another planet that may be life-bearing orbiting the nearest star,” Pete Worden, the former head at NASA’s AMES Research Center and Breakthrough Starshot director, said at the summit.

“I don’t think we will survive another 1,000 years without escaping our fragile planet,” Hawking warned.

“We face a number of threats: nuclear war, global warming and genetically engineered viruses,” he said.

“Although the chance of a disaster on planet Earth in a given year may be quite low, it adds up over time, becoming a near certainty in the next thousand or 10 thousand years.”

“By that time we should have spread out into space, and to other stars, so it would not mean the end of the human race.”

“However, we will not establish self-sustaining colonies in space for at least the next hundred years, so we have to be very careful in this period.”

Hawking has also said he believes brains could exist independently of the body.

Speaking at the premiere of a documentary film about his life, the theoretical physicist said, “I think the brain is like a program in the mind, which is like a computer, so it’s theoretically possible to copy the brain onto a computer and so provide a form of life after death.”Words to Learn

相关词汇

【烧烤】shāokǎo sizzle be very hot

【脆弱的】cuìruò de fragile easily broken, shattered or damaged

霍金警告:600年后地球将变成“火球”

物理学家史蒂芬•霍金又发布了一条末日警告,这一次他预言,600年内我们的地球将变成一团火球。霍金声称,如果人类不尽快离开地球,人口过多会加剧能源消耗,并导致人类灭绝。

但霍金也有对策。他在北京的腾讯WE大会上发言时,请投资者们资助他前往半人马座α星的太空项目。半人马座距离太阳约4光年,是离太阳最近的恒星系。

这个探险项目名为“突破摄星”,将开发和使用以光速旅行的纳米小型太空飞船。这种飞船可以在不到一个小时的时间内到达火星,几天内即可到达冥王星,不到一周就能经过“旅行者”号探测器,并可在20多年后到达半人马座α星。

“突破摄星”项目负责人、曾任美国宇航局艾姆斯研究中心主任的皮特•沃登在大会上说:“如果一切进展顺利,也许在本世纪中叶后不久,我们就可以收到从半人马座发回的第一张行星照片,这颗围绕最近恒星运转的行星上可能会有生命。”

霍金警告说:“如果不逃离这个脆弱的星球,我认为人类无法再存活1000年。”

他说:“我们面临许多威胁:核战争、全球变暖和转基因病毒。”

“尽管地球在某一年发生灾难的几率较低,但放在岁月长河中看,地球在未来1000年或者1万年内发生灾难几乎是肯定无疑的。”

“在那之前我们应该已经向太空扩张,移居到其他星球,地球的灭顶之灾并不意味着人类灭绝。”

“但是,至少在未来一百年内我们不可能在太空上建立可自给自足的殖民地,所以在这段时间内必须十分小心。”

霍金表示,他认为大脑可以脱离身体独立存在。在记录其一生的纪录片首映礼上,霍金说:“我认为大脑就像电脑中的程序,理论上可以复制到电脑上,死后继续存在。”(Chinadaily.com.cn)

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