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NASA to Crash an Unmanned Craft Against an Asteroid as a Test

Article by Vishnu V V                                                         July 5, 2021                                                             (republicworld.com)

• NASA’S latest project – the ‘Double Asteroid Redirection Test’ (DART) – aims to conduct a ‘defensive test’ to change the motion pattern of an asteroid heading towards the Earth by the ‘kinetic impactor technique’. In other words, NASA will send an unmanned spacecraft crashing into an asteroid as a planetary defense.

• NASA plans to perform a live demonstration by launching a SpaceX Falcon 9 rocket with an accompanying smaller craft from the Vandenberg Space Force Base in California, and send it towards the near-Earth moonlet of the asteroid ‘Didymos’ millions of miles away. (The Didymos moonlet, or ‘Didymoon’, is a small asteroid that is gravitationally locked with a larger Didymos asteroid, similar to how our Moon is locked to the Earth.) The smaller craft will separate from the larger rocket, and the larger Falcon 9 space craft will crash against the smaller asteroid while the smaller craft takes live pictures of the event so that researchers and scientists at NASA may study how it would work in a real-life threat scenario.

• According to the NASA website: “The DART spacecraft will achieve the kinetic impact deflection by deliberately crashing itself into the moonlet at a speed of approximately 6.6 km/s, with the aid of an onboard camera (named DRACO) and sophisticated autonomous navigation software. The collision will change the speed of the moonlet in its orbit around the main body by a fraction of one per cent, but this will change the orbital period of the moonlet by several minutes – enough to be observed and measured using telescopes on Earth.”

• The highly futuristic project is currently in Phase C at the Marshall Space Flight Center at NASA’s Planetary Defense Coordination Office. The launch window is scheduled for November 2021, and the SpaceX Falcon 9 is expected to collide against the moonlet asteroid in September 2022.

 

National Aeronautics and Space Administration’s (NASA) latest project known as the Double Asteroid Redirection Test (DART) aims to do an ultimate ‘defensive test’. According to NASA, the superlative project is set to demonstrate the kinetic impactor technique, which will change the motion pattern of an asteroid heading towards the Earth. The project aims to create an ultimate planetary defence by shifting the orbits of such asteroids in space.

The space organisation aims to change an incoming asteroid’s orbit through kinetic impact. NASA is now planning to perform a live demonstration, which will see the US space agency sending an unmanned spacecraft. The test will be done by launching the SpaceX Falcon 9 rocket towards moonlet Didymos from the Vandenberg Space Force Base in California.

The unmanned spacecraft will then travel millions of miles entering space and in turn crash against the Didymos asteroid. The space agency will also be sending a small spacecraft that will separate from DART to take live pictures of the event. The pictures will be used to study the crash in real-time and understand how it would work in a real-life scenario. The ‘defence-driven test’ will be placed intact if successful to prevent any impact of hazardous asteroids on the planet in the future.

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Texas Company Aims to 3D-Print Buildings on the Moon

Article by Mike Wall                                      October 2, 2020                                   (space.com)

• The Austin-based company ICON, known for 3D-printing houses here on Earth, just launched Project Olympus to develop a space-based construction system to help get a foothold on the Moon and Mars. “From the very founding of ICON, we’ve been thinking about off-world construction,” said ICON CEO Jason Ballard. “I am confident that learning to build on other worlds will also provide the necessary breakthroughs to solve housing challenges we face on this world.”

• Project Olympus recently signed a four-year, $14.55M Small Business Innovation Research (SBIR) deal with the U.S. Air Force to expand the capabilities of its 3D-printing tech. NASA is contributing 15% of the SBIR funding.

• NASA’s interest in ICON’s 3D-printing construction tech is tied to the Artemis program for manned lunar exploration and permanent base on the Moon by 2030. Making this happen will require extensive use of lunar resources, including water ice (for life support and rocket fuel) and moon dirt (for building materials). A similar devotion to “living off the land” will likely be necessary for sustained human exploration of Mars.

• ICON will partner with NASA’s Marshall Space Flight Center in Alabama to test a variety of processing and printing technologies using simulated lunar soil. “We want to increase the technology readiness level and test systems to prove it would be feasible to develop a large-scale 3D printer that could build infrastructure on the Moon or Mars,” said Corky Clinton, associate director of Marshall’s Science and Technology Office. “The team will use what we learn from the tests with the lunar simulant to design, develop and demonstrate prototype elements for a full-scale additive construction system.”

• ICON is also teaming with two architecture firms on the program – SEArch+ (Space Exploration Architecture) and Denmark-based BIG-Bjarke Ingels Group. “To explain the power of architecture, ‘formgiving’ is the Danish word for design, which literally means to give form to that which has not yet been given form,” said Bjarke Ingels, creative director at the BIG-Bjarke Ingels Group. “This becomes fundamentally clear when we venture beyond Earth and begin to imagine how we are going to build and live on entirely new worlds.”

• “With ICON, we are pioneering new frontiers – both materially, technologically and environmentally,” Ingels said. “The answers to our challenges on Earth very well might be found on the Moon.”

 

                         Jason Ballard

A Texas company aims to take its innovative homebuilding approach into the final frontier.

Austin-based startup ICON, known for 3D-printing houses here on Earth, just launched Project Olympus,

                 Corky Clinton

an ambitious effort to develop a space-based construction system. The program will eventually help humanity get a foothold on the moon and Mars, if all goes according to plan.

“From the very founding of ICON, we’ve been thinking about off-world construction. It’s a surprisingly natural progression if you are asking about the ways additive construction and 3D printing can create a better future for humanity,” ICON co-founder and CEO Jason Ballard said in a company statement.

“I am confident that learning to build on other worlds will also provide the necessary breakthroughs to solve housing challenges we face on this world,” Ballard said. “These are mutually reinforcing endeavors.”

Project Olympus will get a boost from a Small Business Innovation Research (SBIR) contract that ICON recently signed with the U.S. Air Force to expand the capabilities of its 3D-printing tech.

The four-year deal is worth $14.55 million, according to the Austin Business Journal. (You can find the outlet’s story

           Bjarke Ingels

here, but it’s behind a paywall.) NASA is contributing 15% of the SBIR sum, ICON representatives told Space.com.

NASA’s interest in ICON’s tech makes sense. The space agency is working, via its Artemis program of crewed lunar exploration, to establish a long-term human presence on and around the moon by the end of the 2020s. Making this happen will require extensive use of lunar resources, including water ice (for life support and rocket fuel) and moon dirt (for building materials), NASA officials have stressed.

A similar devotion to “living off the land” will likely be necessary for sustained human exploration of Mars, an ambitious goal that Artemis will inform and advance, NASA officials have said.

As part of the newly announced SBIR deal, ICON will partner with NASA’s Marshall Space Flight Center in Alabama to test a variety of processing and printing technologies using simulated lunar soil. The research will build upon tech that ICON demonstrated in 2018 during NASA’s 3D Printed Habitat Challenge, company representatives said.

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FAIR USE NOTICE: This page contains copyrighted material the use of which has not been specifically authorized by the copyright owner. ExoNews.org distributes this material for the purpose of news reporting, educational research, comment and criticism, constituting Fair Use under 17 U.S.C § 107. Please contact the Editor at ExoNews with any copyright issue.

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