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Mars Rover Drill

Penulis : Unknown on Sunday, 10 February 2013 | 01:58

Mars Rover Drill, Curiosity rover collects first Mars rock sample, Mars rover drill collects rock sample, Curiosity Rover successfully completes first drill into Martian surface - A space-age jack of all trades, NASA's Curiosity rover recorded a first by using its drill to collect a sample from a Martian rock.

The rover sent images of the hole in sedimentary bedrock to Earth on Saturday, NASA said in a statement.

NASA said the rover will analyze the rock powder sample.

The flat rock is believed to hold evidence of wet environments that disappeared long ago, officials said.


Curiosity used a drill attached to the end of its robotic arm. It's the first time any robot has drilled such a sample on the Red Planet.

"The most advanced planetary robot ever designed now is a fully operating analytical laboratory on Mars," said John Grunsfeld, NASA associate administrator for the agency's Science Mission Directorate. "This is the biggest milestone accomplishment for the Curiosity team since the sky-crane landing last August, another proud day for America."

In its first two months on Mars, Curiosity stumbled upon an area where it appears that water once flowed in a vigorous stream. Scientists said the rover spotted rock outcrops that seem to have formed in the presence of water, with rounded gravels that may have been transported by water. Rock powder generated during drilling travels up flutes on the bit. The bit assembly has chambers to hold the powder until it can be transferred to the sample-handling mechanisms of the rover's Collection and Handling for In-Situ Martian Rock Analysis (CHIMRA) device.

Before the rock powder is analysed, some will be used to scour traces of material that may have been deposited onto the hardware while the rover was still on Earth, despite thorough cleaning before launch.

"We'll take the powder we acquired and swish it around to scrub the internal surfaces of the drill bit assembly," said JPL's Scott McCloskey, drill systems engineer.

"Then we'll use the arm to transfer the powder out of the drill into the scoop, which will be our first chance to see the acquired sample," said McCloskey.

"Building a tool to interact forcefully with unpredictable rocks on Mars required an ambitious development and testing program," said JPL's Louise Jandura, chief engineer for Curiosity's sample system.


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