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alien vs predator

NASA to send robots in search of aliens under Antarctica

March 19, 2016 by Sam Francis

stone aerospace spindle antarctica
Are aliens hiding underneath the ice in Antarctica? Photo: Christopher Michael

NASA has awarded almost $3m to a team comprising scientists from Stone Aerospace and Louisiana State University to look for aliens beneath the Antarctic 

Stone Aerospace founder and explorer Dr Bill Stone and Louisiana State University geologist Dr Peter Doran have assembled a diverse team of polar and planetary scientists to develop a state-of-the-art cryobot (an ice-penetrating robotic vehicle) to search for life in lakes and oceans under miles-thick ice in Antarctica.

With nearly $3 million from Nasa, the team will develop, integrate and field test Spindle (Sub-glacial Polar ice Navigation, Descent, and Lake Exploration), an autonomous cryobot that will melt through some of the thickest ice on Earth to access the pristine water beneath. And look for aliens. Spindle will be the first cryobot system to carry a second stage hovering autonomous underwater vehicle (HAUV). The HAUV will conduct reconnaissance, life search, and sample collection then return to the cryobot for subsequent data uplink and possible sample return to the surface. 

earth antarctica
Nasa is looking for aliens under the bed of Antarctic ice

The Spindle team has developed a three-phase plan that will deliver an integrated and field-tested system that will enable a possible future robotic life-detection mission to one of the ice-covered ocean worlds of the outer solar system. The current funding is for the first phase which consists of defining the science questions and goals, performing lab tests, and developing the basic design of the vehicle. One of the biggest design challenges is providing the energy to melt the ice.

“Spindle will partner with industry to develop one of the most powerful lasers ever built to send energy to the robot for melting through ice caps. The laser will be a surrogate for the compact nuclear thermal source that will be needed to run an outer planetary cryobot mission,” Stone says.

Subsequent project phases will focus on field campaigns with increasing complexity and boldness. In the proposed Phase B, Spindle will penetrate the Ross Ice Shelf, Antarctica’s largest ice shelf, a thick mass of ice equivalent to the area France. In a final, daring mission, proposed as Phase C, Spindle will penetrate into a completely unexplored deep subglacial lake beneath the Antarctic plateau and deploy the HAUV to autonomously explore and search for microbial life without human guidance.

“Spindle promises to dramatically extend the state-of-the-art in autonomous exploration. If we are successful with this we will be in good shape to pivot towards a mission to the outer planet’s icy moons,” says Stone. The aim is to develop a robust robot that can withstand the environment expected to be encountered on icy moons, be flexible enough for a variety of missions, and have the intelligence to navigate changes in the environment and collect samples for scientific analysis.

Stone Aerospace has developed a number of robotic systems for Nasa over the last 14 years, each of them key building blocks to the technologies required for Spindle. Stone’s team has developed ground-breaking cryobots and several generations of hovering and long-range under-ice autonomous exploration vehicles.

Stone aerospace robot, Spindle
This is not an alien. It’s the Stone aerospace robot, Spindle

“Spindle Phase C, if approved, will explore one of the most inaccessible places on Earth,” said Stone Aerospace field operations manager Vickie Siegel. “We’re ready for it,” she said. “Most of the members on our field robotics team have logged nearly a year in Antarctica already and other members of our team have extensive hands-on experience with deep field deployment and Antarctic overland traverse. We’re envisioning a 4 to 5 month deployment on the continent for Phase C with the vehicle descending through the ice sheet for two weeks before breakthrough into a lake. The HAUV exploration and science will proceed for another three weeks before we begin the ascent stage. The water re-freezes behind the cryobot as it descends and we have to melt our way back out at the end. This is new exploration technology. Nothing like this has ever been fielded to Antarctica. We’re pretty stoked to go,” she said.

In addition to building new kinds of vehicles, the Spindle project will also advance algorithms and software for autonomous robotic exploration of other worlds. “Once you get under the ice and in the water, communications are extremely limited, so these robots have to be able to function on their own in a totally new, unknown environment,” said Dr Kristof Richmond, software lead and project manager for Spindle. “There’s no GPS, no radio, you can’t see very far – it’s like trying to find your way through a foggy forest in the middle of the night with just a little pen light.”

“Exploration of new frontiers occurs in lock-step with technological advancement,” said John Harman, power systems lead engineer on Spindle. “Stone Aerospace is developing exciting new methods of delivering unprecedented amounts of power to the Spindle cryobot to enable rapid access and exploration of deep subglacial environments,” Harman continues. “The engineering challenges are significant, but what we learn by building and deploying an Earth analog vehicle in a polar environment will eliminate a multitude of barriers currently preventing exploration of icy moons.”

“It’s a truly exciting time for exploration and discovery in our solar system, particularly intriguing are the icy moons of Jupiter and Saturn, whose exploration will be met with equally exciting engineering challenges,” said Bart Hogan, chief engineer for Stone Aerospace. Hogan goes on to say, “We have assembled an extraordinary team of engineers and scientists to attack these challenges head-on and dramatically push the development of technologies needed to enable such exploration.”

The success of exploration not only relies on novel and robust engineering, but also on the scientists who inform the robot and mission design. Doran, LSU John Franks Endowed chair in geology and geophysics, will head Spindle’s science team,which is responsible for defining the goals of the mission, which instruments need to go on the vehicle, and how to insure that the vehicle doesn’t contaminate the pristine target environment. Doran brings more than 27 years research experience in the Polar Regions and will also manage Spindle’s field experiments and data archiving.

alien vs predator
This is an alien

“As the science guy, one of my roles is to pull together the science team and decide which experts to bring in,” said Doran. “We want the team to be diverse with experts in glaciology, microbiology, engineering and planetary science. We need scientists who know how thick the ice on Europa could be and have an understanding of what it takes to get through it, among many other things.”

“Essentially, we are trying to build a mini scientist to go out and explore places where humans cannot go,” said Doran.

Doran and Stone have partnered on a variety of projects over the last decade. The two met at a NASA science meeting in Boulder, Colorado and since that time have had four proposals funded involving autonomous science conducted by mobile field robots. One of those projects was a precursor to Spindle in which Stone Aerospace built a long range sub-iceAutonomous Underwater Vehicle (AUV) known as Artemis. Doran and Stone along with other team members recently spent four months in Antarctica, successfully sending that vehicle more than six miles under the McMurdo Ice Shelf to sample biogeochemical gradients and life under thick ice.

“We are using Antarctica as a test bed, so when we go to the outer planet’s icy moons we will have an understanding of what we are looking for, and what it takes to get through the thick ice and deliver a mobile undersea vehicle that can search for life in those environments. Our tests on Earth will help us follow the trail on the outer planet’s moons and hopefully, find something extraordinary, but until then, we’ll have to focus on extraordinary findings on Earth,” said Doran.

Spindle’s current roster includes scientists from 11 other institutions including University of California, Santa Cruz; University of Colorado, Boulder; University of Florida, Gainesville; University of Texas at Austin; Georgia Institute of Technology; Nasa Ames; Nasa Jet Propulsion Laboratory; University of Southern Florida, San Jose State University Research Foundation; Leiden Measurement Technology; and the Center for Space Nuclear Research.

Doran will host the first of three science meetings for the project at LSU March 7-9, 2016.

“The science questions we want to answer on ice-covered ocean worlds – including how to autonomously search for life – will drive the design of this bold mission. As a result of 60 years of research and development at NASA, we are at a unique point in time where we have the building blocks to create technology for discovering life off Earth,” says Stone.

 

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Filed Under: Features Tagged With: aerospace, cryobot, exploration, nasa, scientists, spindle, stone

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