Results 11 to 20 of about 992,600 (206)

Thermophysical Investigation of Asteroid Surfaces. II. Factors Influencing Grain Size

Planetary Science Journal, 2022
Asteroid surfaces are subjected to mechanical weathering processes that result in the development and evolution of regolith. Two proposed mechanisms—impact bombardment and thermal fatigue—have been proposed as viable and dominant weathering processes ...
Joshua Emery, Eric Maclennan
exaly   +2 more sources

Sulfide minerals bear witness to impacts across the solar system. [PDF]

Nat Commun
Sulfide minerals are ubiquitous in extraterrestrial sample collections and serve as a unique record of the microstructural and chemical characteristics resulting from exposure to interplanetary space on airless planetary surfaces.
Thompson MS, Davidson J, Schrader DL, Zega TJ.   +3 more
europepmc   +2 more sources

Low thermal inertia of carbonaceous asteroid Bennu driven by cracks observed in returned samples. [PDF]

Nat Commun
Thermal inertia is used to infer physical properties of asteroid surfaces. The carbonaceous asteroid Bennu has low thermal inertia suggestive of a surface covered in sub-centimeter rock fragments.
Ryan AJ, Ballouz RL, Macke RJ, Ishizaki T, Alasli A, Biele J, Eckley SA, Hoover CG, Jardine K, King AJ, Opeil CP, Pajola M, Tusberti F, Barnes JJ, Bates HC, Berger EL, Bierhaus EB, Calva C, Cambioni S, Cheng F, Delbo M, DellaGiustina DN, Dworkin JP, Elder CM, Emery JP, Freemantle J, Fujita R, Glavin DP, Gonzalez C, Haenecour P, Hamilton VE, Hanna RD, Hanton LTJ, Harrington R, Hildebrand AR, Hill DH, Ishimaru K, Jawin ER, Kontogiannis MK, Lunning NG, McCoy TJ, Molaro JL, Montoya M, Nagano H, O'Neal EW, Plummer J, Righter K, Sakatani N, Sánchez P, Schofield PF, Siegler MA, Tanaka S, Zega TJ, Wolner CWV, Connolly HC, Lauretta DS.   +55 more
europepmc   +2 more sources

Mirror formation control in the vicinity of an asteroid [PDF]

, 2008
Two strategies are presented for the positioning and control of a spacecraft formation designed to focus sunlight onto a point on the surface of asteroid, thereby sublimating the material and ejecting debris creating thrust.
Vasile, M., Vasile, Massimiliano, Christie Maddock, Gianmarco Radice, Maddock, Christie, Maddock, C., Radice, G., Radice, Gianmarco, Massimiliano Vasile   +8 more
core   +12 more sources

Passive sorting of asteroid material using solar radiation pressure [PDF]

, 2013
Understanding dust dynamics in asteroid environments is key for future science missions to asteroids and, in the long-term, also for asteroid exploitation.
Sanchez Cuartielles, Joan-Pau, Garcia Yarnoz, Daniel, Sánchez Cuartielles, J.P., McInnes, Colin, García Yárnoz, D., McInnes, C.R.   +5 more
core   +4 more sources

The geology and evolution of the Near-Earth binary asteroid system (65803) Didymos. [PDF]

Nat Commun
Images collected during NASA’s Double Asteroid Redirection Test (DART) mission provide the first resolved views of the Didymos binary asteroid system.
Barnouin O, Ballouz RL, Marchi S, Vincent JB, Agrusa H, Zhang Y, Ernst CM, Pajola M, Tusberti F, Lucchetti A, Daly RT, Palmer E, Walsh KJ, Michel P, Sunshine JM, Rizos JL, Farnham TL, Richardson DC, Parro LM, Murdoch N, Robin CQ, Hirabayashi M, Kahout T, Asphaug E, Raducan SD, Jutzi M, Ferrari F, Hasselmann PHA, CampoBagatin A, Chabot NL, Li JY, Cheng AF, Nolan MC, Stickle AM, Karatekin O, Dotto E, Della Corte V, Mazzotta Epifani E, Rossi A, Gai I, Deshapriya JDP, Bertini I, Zinzi A, Trigo-Rodriguez JM, Beccarelli J, Ivanovski SL, Brucato JR, Poggiali G, Zanotti G, Amoroso M, Capannolo A, Cremonese G, Dall'Ora M, Ieva S, Impresario G, Lavagn M, Modenini D, Palumbo P, Perna D, Pirrotta S, Tortora P, Zannoni M, Rivkin AS.   +62 more
europepmc   +2 more sources

The unexpected surface of asteroid (101955) Bennu [PDF]

Nature, 2019
NASA'S Origins, Spectral Interpretation, Resource Identification and Security-Regolith Explorer (OSIRIS-REx) spacecraft recently arrived at the near-Earth asteroid (101955) Bennu, a primitive body that represents the objects that may have brought prebiotic molecules and volatiles such as water to Earth1.
Lauretta, D.S., DellaGiustina, D.N., Bennett, C.A., Golish, D.R., Becker, K.J., Balram-Knutson, S.S., Barnouin, O.S., Becker, T.L., Bottke, W.F., Boynton, W.V., Campins, H., Clark, B.E., Connolly, H.C., d'Aubigny, C.Y. Drouet, Dworkin, J.P., Emery, J.P., Enos, H.L., Hamilton, V.E., Hergenrother, C.W., Howell, E.S., Izawa, M.RM., Kaplan, H.H., Nolan, M.C., Rizk, B., Roper, H.L., Scheeres, D.J., Smith, P.H., Walsh, K.J., Wolner, C.WV., Highsmith, D.E., Small, J., Vokrouhlicky, D., Bowles, N.E., Brown, E., Hanna, K.L. Donaldson, Warren, T., Brunet, C., Chicoine, R.A., Desjardins, S., Gaudreau, D., Haltigin, T., Millington-Veloza, S., Rubi, A., Aponte, J., Gorius, N., Lunsford, A., Allen, B., Grindlay, J., Guevel, D., Hoak, D., Hong, J., Schrader, D.L., Bayron, J., Golubov, O., Sanchez, P., Stromberg, J., Hirabayashi, M., Hartzell, C.M., Oliver, S., Rascon, M., Harch, A., Joseph, J., Squyres, S., Richardson, D., McGraw, L., Ghent, R., Binzel, R.P., Al Asad, M.M., Johnson, C.L., Philpott, L., Susorney, H.CM., Cloutis, E.A., Hanna, R.D., Ciceri, F., Hildebrand, A.R., Ibrahim, E-M., Breitenfeld, L., Glotch, T., Rogers, A.D., Ferrone, S., Thomas, C.A., Fernandez, Y., Chang, W., Cheuvront, A., Trang, D., Tachibana, S., Yurimoto, H., Brucato, J.R., Poggiali, G., Pajola, M., Dotto, E., Epifani, E. Mazzotta, Crombie, M.K., Lantz, C., de Leon, J., Licandro, J., Rizos Garcia, J.L., Clemett, S., Thomas-Keprta, K., Van Wal, S., Yoshikawa, M., Bellerose, J., Bhaskaran, S., Boyles, C., Chesley, S.R., Elder, C.M., Farnocchia, D., Harbison, A., Kennedy, B., Knight, A., Martinez-Vlasoff, N., Mastrodemos, N., McElrath, T., Owen, W., Park, R., Rush, B., Swanson, L., Takahashi, Y., Velez, D., Yetter, K., Thayer, C., Adam, C., Antreasian, P., Bauman, J., Bryan, C., Carcich, B., Corvin, M., Geeraert, J., Hoffman, J., Leonard, J.M., Lessac-Chenen, E., Levine, A., McAdams, J., McCarthy, L., Nelson, D., Page, B., Pelgrift, J., Sahr, E., Stakkestad, K., Stanbridge, D., Wibben, D., Williams, B., Williams, K., Wolff, P., Hayne, P., Kubitschek, D., Barucci, M.A., Deshapriya, J.DP., Fornasier, S., Fulchignoni, M., Hasselmann, P., Merlin, F., Praet, A., Bierhaus, E.B., Billett, O., Boggs, A., Buck, B., Carlson-Kelly, S., Cerna, J., Chaffin, K., Church, E., Coltrin, M., Daly, J., Deguzman, A., Dubisher, R., Eckart, D., Ellis, D., Falkenstern, P., Fisher, A., Fisher, M.E., Fleming, P., Fortney, K., Francis, S., Freund, S., Gonzales, S., Haas, P., Hasten, A., Hauf, D., Hilbert, A., Howell, D., Jaen, F., Jayakody, N., Jenkins, M., Johnson, K., Lefevre, M., Ma, H., Mario, C., Martin, K., May, C., Mcgee, M., Miller, B., Miller, C., Miller, G., Mirfakhrai, A., Muhle, E., Norman, C., Olds, R., Parish, C., Ryle, M., Schmitzer, M., Asphaug, E., Ballouz, R-L., Burke, K.N., Chojnacki, M., Dean, D., Drozd, K., Gardner, A., Habib, N., Koelbel, L., Kreiner, J., Lambert, D., Malhotra, R., Munoz, R., Schwartz, S.R., Selznick, S., Sutton, S., Dickinson, C., Caplinger, M., Wren, P., Bernacki, M., Munoz, D. Pino, Sandford, S.A., Barker, M., Berry, K., Castro, N., Garvin, J., Getzandanner, K., Glavin, D., Hyde, K., Lim, L.F., Mazarico, E.M., Moreau, M., Neumann, G., Reuter, D.C., Simon, A.A., Wasser, M., Johnston, G., Burton, A., Keller, L.P., Messenger, S., Righter, K., Gardner, S., Wright, B., Molaro, J.L., Palmer, E.E., Siegler, M.A., Weirich, J.R., Ireland, T., Bland, P., Christensen, P.R., Haberle, C.W., Rozitis, B., Beddingfield, C.B., Brack, D.N., French, A.S., Jawin, E.R., Mccoy, T.J., Russell, S., Bandfield, J.L., Clark, B.C., Daly, M.G., Seabrook, J.A., Craft, K., Daly, R.T., Ernst, C., Espiritu, R.C., Nair, A.H., Nguyen, L., Perry, M.E., Steele, R., Edmundson, K., Milazzo, M., Delbo, M., Michel, P., Thuillet, F., Marty, B.   +275 more
  +10 more sources

Synergistic approach of asteroid exploitation and planetary protection [PDF]

, 2012
The asteroid and cometary impact hazard has long been recognised as an important issue requiring risk assessment and contingency planning. At the same time asteroids have also been acknowledged as possible sources of raw materials for future large-scale ...
Sanchez Cuartielles, Joan-Pau, McInnes, Colin   +1 more
core   +4 more sources

Fast boulder fracturing by thermal fatigue detected on stony asteroids. [PDF]

Nat Commun
Spacecraft observations revealed that rocks on carbonaceous asteroids, which constitute the most numerous class by composition, can develop millimeter-to-meter-scale fractures due to thermal stresses.
Lucchetti A, Cambioni S, Nakano R, Barnouin OS, Pajola M, Penasa L, Tusberti F, Ramesh KT, Dotto E, Ernst CM, Daly RT, Mazzotta Epifani E, Hirabayashi M, Parro L, Poggiali G, Campo Bagatin A, Ballouz RL, Chabot NL, Michel P, Murdoch N, Vincent JB, Karatekin Ö, Rivkin AS, Sunshine JM, Kohout T, Deshapriya JDP, Hasselmann PHA, Ieva S, Beccarelli J, Ivanovski SL, Rossi A, Ferrari F, Rossi C, Raducan SD, Steckloff J, Schwartz S, Brucato JR, Dall'Ora M, Zinzi A, Cheng AF, Amoroso M, Bertini I, Capannolo A, Caporali S, Ceresoli M, Cremonese G, Della Corte V, Gai I, Gomez Casajus L, Gramigna E, Impresario G, Lasagni Manghi R, Lavagna M, Lombardo M, Modenini D, Palumbo P, Perna D, Pirrotta S, Tortora P, Zannoni M, Zanotti G.   +60 more
europepmc   +2 more sources

THERMAL TOMOGRAPHY OF ASTEROID SURFACE STRUCTURE [PDF]

The Astrophysical Journal, 2016
ABSTRACT Knowledge of the surface thermal inertia of an asteroid can provide insight into its surface structure: porous material has a lower thermal inertia than rock. We develop a means to estimate thermal inertia values of asteroids and use it to show that thermal inertia appears to increase with spin period in the case of main-belt ...
Harris, Alan, Drube, Line
openaire   +3 more sources