14 novembre 2018 | International, Aérospatial
OTTAWA — The head of the U.S. space agency says he wants to see Canadian astronauts walking on the moon as part of a first step toward the farther reaches of space.
Jim Bridenstine, the administrator of the National Aeronautics and Space Administration, says he wants Canada's decades-long space partnership with the U.S. to continue as NASA embarks on the creation of its new Lunar Gateway.
The U.S. is seeking broad international support for the next-generation space station it is planning to send into orbit around the moon starting in 2021.
Bridenstine says he wants Canada to contribute its expertise in artificial intelligence and robotics, and that could include a next-generation Canadarm on the Lunar Gateway and more Canadian technology inside.
He says NASA wants to create a “sustainable lunar architecture” that would allow people and equipment to go back and forth to the moon regularly.
“If Canadians want to be involved in missions to the surface of the moon with astronauts, we welcome that. We want to see that day materialize,” he said told a small group of journalists in Ottawa today. “We think it would be fantastic for the world to see people on the surface of the moon that are not just wearing the American flag, but wearing the flags of other nations.”
He says the return to the moon is a stepping stone to a much more ambitious goal: exploration that could include reaching Mars in the next two decades.
“The moon is, in essence, a proving ground for deeper space exploration,” he said.
Bridenstine is in Ottawa for a large gathering of the Aerospace Industries Association of Canada, where speculation is running high about Canada's possible participation in the U.S. space program.
Innovation Minister Navdeep Bains, a vocal booster of Canada's AI hubs in Ontario and Quebec, is also scheduled to speak, along with one of Canada's former astronauts, Marc Garneau, the current federal transport minister.
On Dec. 3, Canadian astronaut David Saint-Jacques will travel to the International Space Station on his first mission.
The Canadian Press
https://ipolitics.ca/2018/11/14/nasa-wants-canadian-boots-on-the-moon/
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Goliath grouper, black sea bass, and snapping shrimp, along with bioluminescent plankton and other microorganisms, are set to be the unlikely heroes of DARPA's Persistent Aquatic Living Sensors (PALS) program. Five teams of researchers are developing new types of sensor systems that detect and record the behaviors of these marine organisms and interpret them to identify, characterize, and report on the presence of manned and unmanned underwater vehicles operating in strategic waters. This new, bio-centric PALS technology will augment the Department of Defense's existing, hardware-based maritime monitoring systems and greatly extend the range, sensitivity, and lifetime of the military's undersea surveillance capabilities. DARPA first announced the PALS program in February 2018 with the goal of incorporating biology into new solutions for monitoring adversary movements across the seemingly endless spaces of the world's oceans and seas. Ubiquitous, self-replicating, self-sustaining sea life is adaptable and highly responsive to its environment, whereas maritime hardware is resource intensive, costly to deploy, and relatively limited in its sensing modalities. According to PALS program manager Lori Adornato, “Tapping into the exquisite sensing capabilities of marine organisms could yield a discreet, persistent, and highly scalable solution to maintaining awareness in the challenging underwater environment.” The DARPA-funded PALS teams must develop or apply technologies to record stimulus responses from observed organisms, and develop combined hardware and software systems that interpret those responses, screen out false positives, and transmit analyzed results to remote end users. The teams' solutions will incorporate technologies such as hydrophones, sonar, cameras, and magnetic, acoustic, and kinetic sensors. The team led by Northrop Grumman Corporation, under principal investigator Robert Siegel, will record and analyze acoustics from snapping shrimp and optical activity by bioluminescent organisms. The team led by the Naval Research Laboratory, under principal investigator Lenny Tender, will integrate microbial organisms into a sensing platform to detect and characterize biological signals from natural microorganisms that respond to the magnetic signatures of underwater vehicles. The team led by Florida Atlantic University, under principal investigator Laurent Cherubin, will record and analyze vocalization cues from goliath grouper in tropical and subtropical environments. The team led by Raytheon BBN Technologies, under principal investigator Alison Laferriere, will use snapping shrimp as sources of opportunity for long-range detection, classification, and tracking of underwater vehicles. The team led by the University of Maryland Center for Environmental Science, under principal investigator David Secor, will tag black sea bass with sensors to track the depth and acceleration behaviors of schools of fish that are perturbed by underwater vehicles. DARPA is also funding the Naval Undersea Warfare Center, Division Newport, under principal investigator Lauren Freeman, to develop a seafloor system that uses a hydrophone array and acoustic vector sensor to continuously monitor ambient biological sound in a reef environment for anomalies. The system will analyze changes in the acoustic signals radiated by the natural predator-avoidance response of coral reef ecosystem biota, which could offer an indirect mechanism to detect and classify underwater vehicles in near-real time. DARPA conceived of PALS as a four-year research program with the expectation that researchers will be able to publish results for review by the broader scientific community. However, if DARPA identifies any of the data, results, or technical specifications as controlled unclassified information, DARPA will require the PALS researchers to protect them to prevent proliferation outside of official channels. https://www.darpa.mil/news-events/2019-02-15