NASA Osiris-Rex robotic arm overflowing with spoils of asteroid Bennu theft

The spacecraft’s sampling arm, referred to as the Contact-And-Go Pattern Acquisition Mechanism, over the goal pattern website throughout a costume rehearsal in April. 


NASA’s asteroid-chaser Osiris-Rex accomplished a key a part of its mission this week by managing to nab some rocks from the floor of the doubtless hazardous asteroid Bennu, NASA reported Friday.

The spacecraft traveled over 200 million miles and 4 years to briefly stumble upon Bennu, blast it with compressed gasoline and accumulate bits of its floor. The house company on Wednesday shared the primary batch of photos from the daring operation, revealing a delicate-yet-explosive second between rock and robotic.

NASA TV reported Tuesday that the spacecraft’s robotic sampling arm, named Touch-And-Go Sample Acquisition Mechanism,  or Tagsam, did contact down on Bennu. In the course of the temporary contact, it carried out what quantities to a cosmic pickpocketing maneuver.  Mission planners anticipated that the whole time of contact between the arm and asteroid can be lower than 16 seconds. When preliminary data was released, it confirmed that the interval of contact was simply six seconds, with a lot of the pattern assortment taking place in solely the primary three.

The spacecraft, which operates largely autonomously as a result of 18-minute communications delay with mission management on Earth, fired a canister of gasoline by Tagsam that disrupted the floor of Bennu and compelled a pattern into the arm’s collector head. 

Images taken of the pinnacle on Thursday confirmed that a lot pattern was collected that some bigger rocks appeared to fail to make all of it the best way inside, wedging a mylar flap meant to seal the container partially open, permitting some small bits of mud and pebbles to flee again out into house. 

Captured by the spacecraft’s SamCam digital camera Oct. 22, this sequence of three photos exhibits the sampler head on Osiris-Rex is stuffed with rocks and dirt collected from the floor of Bennu. In addition they present that a few of these particles are slowly escaping the sampler head. 


“Bennu continues to shock us with nice science and in addition throwing just a few curveballs,” said Thomas Zurbuchen, NASA’s affiliate administrator for science, in an announcement. “And though we could have to maneuver extra rapidly to stow the pattern, it isn’t a foul downside to have. We’re so excited to see what seems to be an ample pattern that can encourage science for many years past this historic second.”

Osiris-Rex was designed to the touch down on a flat, even floor, however Bennu is so rocky the workforce discovered no appropriate house. Thankfully, Osiris-Rex outperformed its design and was in a position to carry out its sampling on a website dubbed Nightingale, which is barely about as massive as just a few parking areas. 

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NASA efficiently lands Osiris-Rex spacecraft on an asteroid…


Osiris-Rex tags a boulder

Because the spacecraft approached after which spent two years orbiting and surveying Bennu, it grew to become clear this tiny world is completely different from what scientists anticipated. The workforce hoped to search out numerous sandy surfaces superb for sampling, but it surely seems Bennu is a rubble pile, with a rugged terrain strewn with boulders. 

Round 24 hours after the operation, NASA shared the first images of the landing operation captured by the spacecraft. The Tagsam strikes into place and its sampling head makes contact with Bennu’s floor earlier than the explosive burst of nitrogen is fired. The operation kicks up a ton of particles that flies across the acquisition arm. It is actually one thing!



Though the above GIF seems comparatively quick, the operation proceeded far more delicately. The arm was lowered at round 10 centimeters per second, a lot slower than strolling tempo, when it contacted the pattern website. 

The workforce’s aim is to gather about 60 grams of mud, dust and pebbles from the floor of Bennu. It reported on Friday that it believes Osiris-Rex collected a ample pattern and moved to start to stow it rapidly, skipping a deliberate pattern mass measurement and canceling a braking burn to maintain acceleration of the spacecraft to a minimal.

“We’re working to maintain up with our personal success right here, and my job is to securely return as giant a pattern of Bennu as potential,” stated Dante Lauretta, Osiris-Rex principal investigator on the College of Arizona.

The Osiris-Rex workforce celebrates for the time being of landing.


The mission joins Japan’s Hayabusa and Hayabusa-2 missions within the annals of asteroid exploration. Hayabusa sampled and returned a tiny bit of fabric from asteroid Itokawa, and Hayabusa2 is within the strategy of returning a major pattern of house rock Ryugu.

As soon as the pattern is stowed, the workforce will start preparations for an extended journey again to Earth, with a deliberate touchdown within the Utah desert in September 2023.

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Anil Kumar

Anil Kumar Gadgets writes for Review Tech smartphones, wearables, headphones and speakers based in Delhi for 360 Tech News. Anil Gadgets is a reviewer for 360 Tech News and has written in detail about smartphones, software updates and upcoming devices.

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