{"id":24329,"date":"2019-03-04T16:07:44","date_gmt":"2019-03-04T21:07:44","guid":{"rendered":"https:\/\/sciencescosmaincms.cm.ucf.edu\/news\/?p=24329"},"modified":"2019-03-04T16:07:44","modified_gmt":"2019-03-04T21:07:44","slug":"ucf-research-laying-groundwork-for-off-world-colonies","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/news\/ucf-research-laying-groundwork-for-off-world-colonies\/","title":{"rendered":"UCF Research Laying Groundwork for Off-World Colonies"},"content":{"rendered":"

\"\"<\/p>\n

BY ROBERT WELLS<\/p>\n

Before civilization can move off world it must make sure its structures work on the extraterrestrial foundations upon which they will be built.<\/p>\n

University of Central Florida researchers are already laying the groundwork for the off-world jump by creating standards for extraterrestrial surfaces. Their work was detailed recently in a\u00a0study published<\/a>\u00a0in the journal\u00a0Icarus<\/em>.<\/p>\n

\u201cI\u2019m firmly convinced that by the end of the century there will be more economic activity off planet Earth than on planet Earth,\u201d says Phil Metzger, a planetary scientist at UCF and lead author of the study.<\/p>\n

According to the wealth management company, Morgan Stanley estimates the space economy will be worth more\u00a0than $1.1 trillion by 2040<\/a>.<\/p>\n

\u201cWith economics moving in that direction, it\u2019s important for us to get a head start trying to create the regulatory and engineering environments to make sure everything is done safely and justly,\u201d Metzger says.<\/p>\n

In the study, Metzger and the team of researchers outlined standards for simulated extraterrestrial surface material and then applied the standards to a simulated extraterrestrial surface material created in the\u00a0Center for Lunar and Asteroid Surface Science\u2019s Exolith Lab<\/a>housed at UCF.<\/p>\n

While extraterrestrial surface material can range from lunar soil to Martian dirt, Metzger and the researchers created standards specifically for asteroid surfaces in this study.<\/p>\n

The team measured mineralogical composition; elemental composition; densities of rocks and crushed rocks known as regolith; mechanical strength; magnetic susceptibility; volatile release pattern; and particle size destruction.<\/p>\n

This standardization is highly needed, Metzger says, as previous attempts at creating simulated extraterrestrial surface material have used everything from floral foam to beach sand.<\/p>\n

If tests are performed on simulant that isn\u2019t similar to the real thing or is not suited for that test, then it makes the test results invalid, Metzger says.<\/p>\n

\u201cWe have to communicate what the properties are so everyone knows its limitations so they won\u2019t use it for a test it wasn\u2019t designed to simulate,\u201d Metzger says.<\/p>\n

Standardization will also allow researchers to more accurately compare test results across studies as standardized simulants will have properties that will not vary test to test.<\/p>\n

The researchers also applied their standards to a simulant created in UCF\u2019s Exolith Lab called UCF\/DSI-CI-2. They compared the results to measures of Orgueil, a meteorite that fell in France in 1864.<\/p>\n

Meteorites are meteors that survive entry through Earth\u2019s atmosphere and land on the surface. Meteorites are often correlated to certain asteroid types and may be used as reference material for creating asteroid simulant in lieu of having access to an actual asteroid for comparison.<\/p>\n

The simulant UCF\/DSI-CI-2 received a magnetic susceptibility score, or figure of merit, of .96, which means it is a 96 percent match with Orgueil. Similarly, it received an elemental score of .94 and a mineralogical score of .83. \u00a0The other five properties the researchers measured also had high scores.<\/p>\n

\u201cWe\u2019re delighted we could get such a high-fidelity simulant,\u201d Metzger says. \u201cThe fact that we were able to replicate those eight properties with such high fidelity tells us that these simulants will be very valuable for companies doing asteroid mining, doing tests of constructions of facilities and landing pads, metal extraction and more.\u201d<\/p>\n

UCF researchers were able to create the simulant using particle-size data from the meteorite while also creating the grading standard, says Dan Britt, a Pegasus professor of astronomy and planetary sciences in UCF\u2019s Department of Physics. Britt is head of the Exolith lab and a co-author of the study.<\/p>\n

\u201cI think we did a good job of producing a simulant that mimics the parent asteroidal material pretty well,\u201d Britt says.\u00a0\u201cThe limitations are really expense and safety, as some components can be toxic, so we use a lower-fidelity alternative. This gives the meteorite and space resources communities material that they can experiment on with some assurance that it is close to the real thing.\u00a0That way they are not constrained by the scarcity of meteorite material or its high price.\u201d<\/p>\n

Metzger says the research team will continue to grade simulants created in the Exolith Lab as well as offer their grading system to simulants created in other labs. They will also be receiving feedback from the community about improvements in the grading system and will work with the American Society of Civil Engineers for consensus on having the grading standards adopted.<\/p>\n

Co-authors of the study included Stephen Covey, retired director of research and development with Deep Space Industries (now Bradford Space); Cody Schultz, a UCF mechanical engineering graduate; Kevin M. Cannon, a postdoctoral scholar working with the Exolith Lab; Kevin D. Grossman, a materials science and engineering scientist with NASA; James G. Mantovani, a planetary scientist with NASA; and Robert P. Mueller, a senior technologist with NASA.<\/p>\n","protected":false},"excerpt":{"rendered":"

BY ROBERT WELLS Before civilization can move off world it must make sure its structures work on the extraterrestrial foundations upon which they will be built. University of Central Florida researchers are already laying the groundwork for the off-world jump by creating standards for extraterrestrial surfaces. Their work was detailed recently in a\u00a0study published\u00a0in the […]<\/p>\n","protected":false},"author":134,"featured_media":24330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[38,39,13,14,5377,28],"tags":[],"class_list":["post-24329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-breaking-news","category-faculty-news","category-news","category-physics-departments","category-research","category-top-news"],"yoast_head":"\nUCF Research Laying Groundwork for Off-World Colonies - College of Sciences News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences.ucf.edu\/news\/ucf-research-laying-groundwork-for-off-world-colonies\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UCF Research Laying Groundwork for Off-World Colonies - College of Sciences News\" \/>\n<meta property=\"og:description\" content=\"BY ROBERT WELLS Before civilization can move off world it must make sure its structures work on the extraterrestrial foundations upon which they will be built. 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