"You will be able to get these data from your very own homes," Mainzer said.

“届时你坐在家中就可以从电脑上获得这些数据，”美因茨说。

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"However, it's very important to note that fewer does not mean none," Mainzer cautions.

“不过，非常重要的是必须注意到，小行星数量少并不意味着没有，”迈因·策尔警告说。

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Myhrvold said Mainzer responded that large telescopes were not designed to point that close to the ground. But the one in Chile is, he noted.

迈尔沃尔德说，迈因策尔回应称大型望远镜并非为观测如此接近地面的点而设计。但他指出，智利的那架却是为此设计的。

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Dr Mainzer expects that calculations, simulations and models based on this data "will keep people busy for decades".

BBC: Asteroid thought to kill dinosaurs may not be guilty

Mainzer said between 20% and 30% of the estimated 4, 700 potentially hazardous objects have been discovered so far.

CNN: NASA estimates 4,700 'potentially hazardous' asteroids

Mainzer said asteroids in orbits pitched at a similar angle offer not only a hazard, but also an opportunity.

CNN: NASA estimates 4,700 'potentially hazardous' asteroids