US spacecraft touches asteroid surface for rare rubble grab

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A NASA spacecraft has descended to an asteroid and momentarily touched the surface to collect a handful of cosmic rubble for return to Earth, 200 million miles away. It's a first for the U.S. - only Japan has scored asteroid samples.

A van-sized spacecraft with an Egyptian-inspired name, Osiris-Rex aimed for a spot equivalent to a few parking spaces on Earth in the middle of the asteroid’s Nightingale Crater. After nearly two years orbiting the boulder-packed Bennu, the spacecraft found this location to have the biggest patch of particles small enough to be swallowed up.

“We’re going to be looking at a whole series of images as we descended down to the surface, made contact, fired that gas bottle, and I really want to know how that surface responded,” Lauretta said. “We haven’t done this before, so this is new territory for us.”Scientists want at least 2 ounces and, ideally, closer to 4 pounds of Bennu’s black, crumbly, carbon-rich material — thought to contain the building blocks of our solar system.

Another benefit: The solar-orbiting Bennu, which swings by Earth every six years, has a slight chance of smacking Earth late in the next century. It won’t be a show-stopping life-ender. But the more scientists know about the paths and properties of potentially hazardous space rocks like this one, the safer we’ll all be.

“That will be another big day for us. But this is absolutely the major event of the mission right now,” NASA scientist Lucy Lim said.

 

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The Nasa team has an impressively equal mix of talented men and women. Conversely I only could pick out one or two women in the Japanese control room among a huge number of men. Im wondering why this is.

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