Hyper Inflatables: Prefabricated Membranes and 3D Printed Exoskeletons in Space Sasakawa International Center for Space Architecture Zachary Taylor credit: NASA credit: SpaceX credit: Foster & Partners / ESA credit: NASA Columbus Destiny Harmony Kibo MLM MRM1 MRM2 MPLM PMM Tranquility Unity Zarya Proposed Apollo-Era Station Toroid inflatable station concept The Echo 1a credit: NASA credit: NASA credit: NASA SLS Block II Fairing BFR Cargo Fairing Volume: 80,563 m3 Volume: 1,166 m3 Volume: 780 m3 Ø: 53 m Weight: 100,000 kg Weight: 70,000 kg B330 B2100 No Exoskeleton Exoskeleton Manipulated Volume 330 m3 2100 m3 1500 m3 25000 m3 20000 m3 Grasshopper Simulation Reinforced Unenforced 5 m Membrane Composition Polytetrafluoroethylene (PTFE) Coating Purpose: UV stabilizer Density: 2.19 kg/m3 Thickness: 0.04 cm Demron Fabric Purpose: high energy gamma radiation, micrometeroid protection Density: 3.14 kg/m3 Thickness: 5.04 cm Hydrogenated Boron Nitride Nanotube (BNNT) Purpose: neutron radiation protection Density: 2.10 kg/m3 Thickness: 4.12 cm Précontraint 402 N Membrane Purpose: water and air seal Density: 1.00 kg/m3 Thickness: 0.04 cm U.S. Department of the Interior Prepared for the Scientific Investigations Map 3316 U.S. Geological Survey National Aeronautics and Space Administration Sheet 1 of 2 180° 0° 55°55° –55° Rowland 150°E MAP DESCRIPTION used for printing. However, some selected well-known features less that 85 km in diameter or 30°E 210°E length were included. For a complete list of the IAU-approved nomenclature for the Moon, see the This image mosaic is based on data from the Lunar Reconnaissance Orbiter Wide Angle 330°E 60°60° Gazetteer of Planetary Nomenclature at http://planetarynames.wr.usgs.gov. For lunar mission Clavius –60°–60˚ Camera (WAC; Robinson and others,Mission 2010), an instrument on the National Aeronautics and Outline names, only successful landers are shown, not impactors or expended orbiters. Space Administration (NASA) Lunar Reconnaissance Orbiter (LRO) spacecraft (Tooley and others, 2010). The WAC is a seven band (321 nanometers [nm], 360 nm, 415 nm, 566 nm, 604 nm, 643 nm, and 689 nm) push frame imager with a 90° field of view in monochrome mode, and ACKNOWLEDGMENTS Birkhoff Emden 60° field of view in color mode. From the nominal 50-kilometer (km) polar orbit, the WAC This map was made possible with thanks to NASA, the LRO mission, and the Lunar Recon- Scheiner Avogadro acquires images with a 57-km swath-width and a typical length of 105 km. At nadir, the pixel naissance Orbiter Camera team. The map was funded by NASA's Planetary Geology and Geophys- scale for the visible filters (415–689 nm) is 75 meters (Speyerer and others, 2011). Each month, ics Cartography Program. Blancanus Sommerfeld the WAC provided almost complete coverage of the Moon. Rosenberger REFERENCES Curtius PROJECTION Archinal, B.A. (Chair), A’Hearn, M.F., Bowell, E., Conrad, A., Consolmagno, G.J., Courtin, R., Stebbins The Mercator projection is used between latitudes ±57°, with a central meridian at 0° Fukushim, T., Hestroffer, D., Hilton, J.L., Krasinsky, G.A., Neumann, G.A., Oberst, J., Gruemberger 7070°° longitude and latitude equal to the nominal scale at 0°. The Polar Stereographic projection is used Seidelmann, P.K., Stooke, P., Tholen, D.J., Thomas, P.C., and Williams, I.P., 2011, Report of –70° Manzinus Gamow for the regions north of the +55° parallel and south of the –55° parallel, with a central meridian van't Roberts the IAU Working Group on cartographic coordinates and rotational elements—2009: Celestial Hoff 120°E set for both at 0° and a latitude of true scale at +90° and -90°, respectively. The adopted spherical Mechanics and Dynamical Astronomy, v. 109, no. 2, p. 101–135, doi:10.1007/s10569-010- Moretus 60°E Klaproth 240°E Yablochkov radius used to define the maps scale is 1737.4 km (Lunar Reconnaissance Orbiter Project Lunar 9320-4. 300°E Karpinskiy Geodesy and Cartography Working Group, 2008; Archinal and others, 2011). In projection, the Davies, M.E., and Colvin, T.R., 2000, Lunar coordinates in the regions of the Apollo landers: pixels are 100 meters at the equator.Objectives Journal of Geophysical Research, v. 105, no. E8, p. 20,277–20,280. Casatus COORDINATE SYSTEM Folkner, W.M., Williams, J.G., and Boggs, D.H., 2008, The planetary and lunar ephemeris DE 421: Seares Jet Propulsion Laboratory Memorandum IOM 343R-08-003, 31 p., at Milankovič The Wide Angle Camera images were referenced to an internally consistent inertial coordi- ftp://ssd.jpl.nasa.gov/pub/eph/planets/ioms/de421.iom.v1.pdf. th nate system, derived from tracking of the LRO spacecraft and crossover-adjusted Lunar Orbiter Folkner, W.M., Williams, J.G., and Boggs, D.H., 2009, The planetary and lunar ephemeris DE 421: Boussingault Laser Altimeter (LOLA) data thatStudy were used together to determine the the orbit of LRO inlong-term inertial effects of 1/6 gravity on humans, astronomical study during dark Interplanetary Network Progress Report 42-178, 34 p., at Pontécoulant space (Smith and others, 2011). By adopting appropriate values for the orientation of the Moon, Boguslawsky http://ipnpr.jpl.nasa.gov/progress_report/42-178/178C.pdf. Schomberger 8080°° Schwarzschild as defined by the International Astronomical Union (IAU; Archinal and others, 2011), the images –80° were orthorectified into the planet-fixed coordinates (longitude and latitude) used on this map. Lunar Reconnaissance Orbiter Project Lunar Geodesy and Cartography Working Group, 2008, A Helmholtz Pingré Bailly The coordinate system defined for this product is the mean Earth/polar axis (ME) system, standardized lunar coordinate system for the Lunar Reconnaissance Orbiter and lunar datas- Plaskett Compton phases, act as a construction material hub for projects in and around cis-lunar space, sometimes called the mean Earth/rotation axis system. The ME system is the method most often ets: Lunar Reconnaissance Orbiter Project and Lunar Reconnaissance Orbiter Project Lunar used for cartographic products of the past (Davies and Colvin, 2000). Values for the orientation Geodesy and Cartography Working Group White Paper, v. 5, at Poczobutt of the Moon were derived from the Jet Propulsion Laboratory Developmental Ephemeris (DE) http://lunar.gsfc.nasa.gov/library/LunCoordWhitePaper-10-08.pdf. Demonax Scott 421 planetary ephemeris (Williams and others, 2008; Folkner and others, 2008; 2009) and rotated Malapert Rozhdestvenskiy Mazarico, E., Rowlands, D.D., Neumann, G.A., Smith, D.E., Torrence, M.H., Lemoine, F.G., and into the ME system. The LOLA-derivedserve crossover-corrected asephemeris (Mazarico a andfuel others, depot,Zuber, M.T., 2012, Orbit determination EVA of the Lunar capabilitiesReconnaissance Orbiter: Journal of for exploration, and a testbed for permanent space Le Gentil 2012) and an updated camera pointing provide an average accuracy of ~1 km in the horizontal Geodesy, v. 86, no. 3, p. 193–207. Cabeus position (Scholten and others, 2012). Neumann, G.A., 2011, Lunar Reconnaissance Orbiter Lunar Orbiter Laser Altimeter reduced data Shoemaker Longitude increases to the east and latitude is planetocentric, as allowed in accordance with Drygalski Nansen record and derived products software interface specification, version 2.42, LRO-L-LOLA-4- Cremona Hermite Bel'kovich current NASA and U.S. Geological Survey standards (Archinal and others, 2011). The intersec- Hausen Amundsen 270°E 90°E agriculture. GDR-V1.0, NASA Planetary Data System (PDS), at 270°E 90°E Shackleton Brianchon tion of the lunar equator and prime meridian occurs at what can be called the Moon’s “mean http://imbrium.mit.edu/DOCUMENT/RDRSIS.PDF sub-Earth point.” The concept of a lunar “sub-Earth point” derives from the fact that the Moon’s Peary Robinson, M.S., Brylow, S.M., Tschimmel, M., Humm, D., Lawrence, S.J., Thomas, P.C., Denevi, rotation is tidally locked to the Earth. The actual sub-Earth point on the Moon varies slightly due B.W., Bowman-Cisneros, E., Zerr, J., Ravine, M.A., Caplinger, M.A., Ghaemi, F.T., Schaff- Catena Sylvester Hayn to orbital eccentricity, inclination, and other factors. So a “mean sub-Earth point” is used to ner, J.A., Malin, M.C., Mahanti, P., Bartels, A., Anderson, J., Tran, T.N., Eliason, E.M., Ashbrook define the point on the lunar surface where longitude equals 0°. This point does not coincide with Byrd McEwen, A.S., Turtle, E., Jolliff, B.L., and Hiesinger, H., 2010, Lunar Reconnaissance Xenophanes any prominent crater or other lunar surface feature (Lunar Reconnaissance Orbiter Project Lunar Pascal MARE Orbiter Camera (LROC) instrument overview: Space Science Reviews, v. 150, no. 1-4, p. Sikorsky Geodesy and Cartography Working Group, 2008; Archinal and others, 2011). HUMBOLDTIANUM 81–124, doi:10.1007/s11214-010-9634-2. Schrödinger SiteMAPPING TECHNIQUES Robinson, M.S., Speyerer, E.J., Boyd, A., Waller, D., Wagner, R., and Burns, K., 2012, Exploring Vallis the Moon with the Lunar Reconnaissance Orbiter Camera: International Archives of the The WAC global mosaic shown here is a monochrome product with a normalized reflec- Photogrammetry, Remote Sensing and Spatial Information Sciences, v. XXXIX-B4, XXII Petzval tance at 643 nm wavelength, and consists of more than 15,000 images acquired between Novem- International Society for Photogrammetry and Remote Sensing Congress, Melbourne, 8080°° ber 2009 and February 2011 (Sato and others, 2014) using revised camera pointing (Wagner and –80° Schrödinger Australia. Zeeman Pythagoras others, 2015). The solar incidencePermanent angle at the Equator changes ~28° from the beginning base to the at the Peary Crater in the Lunar North Pole. Sato, H., Robinson, M.S., Hapke, B., Denevi, B.W., and Boyd, A.K., 2014, Resolved Hapke Baillaud end of each month. To reduce these incidence angle variations, data for the equatorial mosaic were collected over three periods (January 20, 2010 to January 28, 2010, May 30, 2010 to June 6, parameter maps of the Moon: Journal of Geophysical Research, Planets, v.