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60 results on '"Greeley, R"'

1. HRSC: High Resolution Stereo Camera

Author

Neukum, G., Jaumann, R., Basilevsky, A.T., Dumke, A., van Gasselt, S., Giese, B., Hauber, E., Head, J.W., Heipke, C., Hoekzema, N., Hoffmann, H., Greeley, R., Gwinner, K., Kirk, R.L., Markiewicz, W., McCord, T.B., Michael, G., Muller, J.-P., Murray, J.B., Oberst, J., Pinet, P., Pischel, R., Roatsch, T., Scholten, F., Willner, K., HRSC Co-Investigator Team, and HRSC Associates

Subjects
HRSC, geology, Mars, Mars Express
Published
2009

2. Mars Exploration Rover Geologic traverse by the Spirit Rover in the Plains of Gusev Cater, Mars

Author

Crumpler, L.S., Squyres, S.W., Arvidson, R.E., Bell, J.F., Blaney, D., Cabrol, N.A., Christensen, P.R., DesMarais, D.J., Farmer, J.D., Fergason, R., Golombek, M.P., Grant, F.D., Grant, J.A., Greeley, R., Hahn, B., Herkenhoff, K.E., Hurowitz, J.A., Knudson, A.T., Landis, G.A., Richter, L., Li, R., Maki, J., McSween, H.Y., Ming, D.W., Moersch, J.E., Payne, M.C., Rice, J.W., Ruff, S.W., Sims, M., Thompson, S.D., Tosca, N., Wang, A., Whelley, P., Wright, S.P., and Wyatt, M.B.

Subjects
Mars Exploration Rover, Gusev Crater
Published
2005

4. The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars

Author

Squyres, S.W., Arvidson, R.E., Bell, J.F., Brückner, J., Cabrol, N.A., Richter, L., Calvin, W., Carr, M.H., Christensen, P.R., Clark, B.C., Crumpler, L., Des Marais, D.J., d'Uston, C., Economou, T., Farmer, J., Farrand, W., Folkner, W., Golombek, M., Gorevan, S., Grant, J.A., Greeley, R., Grotzinger, J., Haskin, L., Herkenhoff, K.E., Hviid, S., Johnson, J. R., Klingelhöfer, K., McSween, A., Ming, D.W., Moersch, J., Morris, R.v., Parker, T., Rice Jr., J.W., Rieder, R., Sims, M., Smith, M., Smitz, P., Soderblom, L.A., Sullivan, R., Wänke, H., Wdowiak, T., Wolff, M., and Yen, A.

Subjects
Spirit Rover, Gusev Crater, Mars
Published
2005

6. The Opportunity Rover's Athena Science Investigation at Meridiani Planum, Mars

Author

Squvres, S.W., Arvidson, R.E., Bell, J.F., Brückner, J., Cabrol, N.A., Richter, L., Calvin, W., Carr, M.H., Christensen, P.R., Clark, B.C., Crumpler, L., Des Marais, D.J., d'Utson, C., Economou, T., Farmer, F., Farrand, W., Folkner, W., Golombek, M., Gorevan, S., Grant, J.A., Greeley, R., Grotzinger, J., Haskin, L., Herkenhoff, K.E., Hviid, S., Johnson, J., Klingelhöfer, G., Knoll, H., Landis, G., Lemmon, M., Li, R., Madsen, M.B., Malin, M.C., McLennan, S.M., McSween, H.Y., Ming, D.W., Moersch, J., Morris, R.V., Parker, T., Rice, J.W. jr., Rieder, R., Sims, M., Smith, P., Soderblom, L.A., Sullivan, R., Wänke, H., Wdowiak, T., Wolff, M., and Yen, A.

Subjects
Mars, Meridiani Planum
Published
2004

10. Rock and Soil Physical Properties at the MER Gusev Crater Landing Site: Initial Results

Author

Richter, L., Anderson, R.C., Arvidson, R., Bell J., Biesiadecki, J., Christensen, P., Golombek, M., Gorevan, S., Greeley, R., guinness, E., Haldemann, A.F.C., Herkenhoff, K., Landis, G., Li, R., Lindemann, R., Matijevic, J., Ming, D., Snider, N., Stewart, H., sullivan, R., Squyres, S.W., and MER Athena Science Team

Subjects
Physical Properties
Published
2004

18. Impact features on Europa: results of the Galileo Europa mission (GEM)

Author

Moore, J. M., Asphaug, E., Morrison, D., Sullivan, R. J., Bierhaus, B., Chapman, C. R., Greeley, R., Klemaszewski, J. E., Kadel, S., Chuang, F., Moreau, J., Williams, K. K., Turtle, E. P., Phillips, C. B., Geissler, P. E., McEwen, A. S., Head, J. W., Pappalardo, R. T., Collins, G. C., Giese, B., Wagner, R., Neukum, G., Klaasen, K. P., Breneman, H. H., McGee, K. P., Senske, D. A., Granahan, J., Belton, M. J. S., Schenk, P. M., and Galileo SSI team

Subjects
Galileo, Crater, Satellites of Jupiter, Europa
Published
1999

19. Galileo Observations of Europe's Opposition Effect

Author

Helfenstein, P., Currier, N., Clark, B. E., Veverka, J., Bell, M., Sullivan, R., Klemaszewski, J., Greeley, R., Pappalardo, R. T., Head III, J. W., Jones, T., Klaasen, K., Magee, K., Geissler, P., Greenberg, R., McEwen, A., Phillips, C., Colvin, T., Davies, M., Denk, T., Neukum, G., and Belton, M. J. S.

Subjects
Voyager, geological processes, ices, photometry, Galileo, spectra, spectrophotometry, regolith, Europa, albedo
Published
1998

22. Galileo observations of Ganymede impact crater morphology

Author

Weitz, C.M., Head, J.W., Pappalardo, R., Neukum, G., Giese, B., Oberst, J., Cook, A., Schreiner, B., Greeley, R. Department of Geology, Arizona State University, Tempe, AZ, USA), Helfenstein, P., and Chapman, C.

Published
1997

24. Galileo-SSI color observations of Ganymede and Callisto

Author

Denk, T., Neukum, G., Jaumann, R., Head, J.W.(1), Pappalardo, R.T. (1), Geissler, P.E.(2), Greeley, R.(3), and Bender, K.C.(3) and the Galileo Imaging Team

Subjects
Kallisto, Galileo, Ganymed, Callisto, Galileische Monde
Published
1997

30. Geology of 243 Ida

Author

Sullivan, R., Greeley, R., Pappalardo, R., Asphaug, E., Moore, J. M., Morrison, D., Belton, M. J. S., Carr, M., Chapman, C. R., Geissler, P., Greenberg, R., Granahan, James, Head Iii, J. W., Kirk, R., McEwen, A., Lee, P., Thomas, P. C., and Veverka, J.

Abstract

The surface of 243 Ida is dominated by the effects of impacts. No complex crater morphologies are observed. A complete range of crater degradation states is present, which also reveals optical maturation of the surface (darkening and reddening of materials with increasing exposure age). Regions of bright material associated with the freshest craters might be ballistically emplaced deposits or the result of seismic disturbance of loosely-bound surface materials. Diameter/depth ratios for fresh craters on Ida are ∼1:6.5, similar to Gaspra results, but greater than the 1:5 ratios common on other rocky bodies. Contributing causes include rim degradation by whole-body "ringing," relatively thin ejecta blankets around crater rims, or an extended strength gradient in near-surface materials due to low gravitational self-packing. Grooves probably represent expressions in surface debris of reactivated fractures in the deeper interior. Isolated positive relief features as large as 150 m are probably ejecta blocks related to large impacts. Evidence for the presence of debris on the surface includes resolved ejecta blocks, mass-wasting scars, contrasts in color and albedo of fresh crater materials, and albedo streaks oriented down local slopes. Color data indicate relatively uniform calcium abundance in pyroxenes and constant pyroxene/olivine ratio. A large, relatively blue unit across the northern polar area is probably related to regolith processes involving ejecta from Azzurra rather than representing internal compositional heterogeneity. A small number of bluer, brighter craters are randomly distributed across the surface, unlike on Gaspra where these features are concentrated along ridges. This implies that debris on Ida is less mobile and/or consistently thicker than on Gaspra. Estimates of the average depth of mobile materials derived from chute depths (20–60 m), grooves (≥30 m), and shallowing of the largest degraded craters (20–50 m minimum, ∼100 m maximum) suggest a thickness of potentially mobile materials of ∼50 m, and a typical thickness for the debris layer of 50–100 m.

Published
1996

31. First Galileo Image of Asteriod 243 Ida

Author

Chapman, C.(1), Belton, M.J.S.(2), Veverka, J.(3), Neukum, G., Head, J.(4), Greeley, R.(5), Klaasen, K.(6), and Morrison, D.(7)

Published
1994

33. Compositional diversity of the Lunar north pole

Author

Pieters, C.M.(1), Belton, M.(2), Head, J.W.(1), Greeley, R.(3), McEwen, A., Fischer, E., Sunshine, J., Klaasen, K., Plutachak, J.(1), Neukum, G., and Johnson, T.V.(5)

Published
1993

41. Galileo SSI Lunar Observations

Author

McEwen, A.S.(1), Greeley, R.(2), Head, J.W.(3), Pieters, C.M.(3), Fischer, E.M.(3), Johnson, T.V.(4), and Neukum, G. and GLL SSI Team

Published
1992

42. Color Variations on the Surface of Gaspra

Author

Head, J.W.(1), Murchie, S.L.(1), Belton, M.J.S.(2), Veverka, J.(3), McEwen, A.(4), Anger, C.D.(5), Carr, M.H.(6), Chapman, C.R.(7), Davies, M.E.(8), Greeley, R.(9), Greenberg, R.(10), Ingersoll, A.P.(11), Johnson, T.V.(12), Klaasen, K.P.(12), Neukum, G., and Pieters, C.B.(1)

Published
1992

46. Images of the Venus cloud deck from Galileo

Author

Belton, M. (1), Gierasch, P. (2), Smith, M. (2), Helfenstein, P. (2), Schinder, P. (2), Pollack, J. (4), Rages, K. (4), Ingersoll, A. (5), Klaasen, K.(3), Veverka, J.(2), Anger, C.(6), Carr, M.(7), Chapman, C.(8), Davies, M. (9), Fanale, F. (10), Greeley, R. (11), Greenberg, R.(12), Head, J. (13), Morrison, D. (4), Neukum, G., and Pilcher, C. (14)

Published
1991

47. Lunar Maria and related deposits

Author

Greeley, R.(1), Belton, M.(2), Bolef, L.(1), Carr, M.(3), Chapman, C.(4), Davie s, M.(5), Doose, L.(6), Fanale, F.(7), Gaddis, L.(1), Greenberg, R.(6), Head, J. (8), Hoffmann,H, Jaumann,R, Johnson,T(9),Klaasen,K(9), Koloord, R(6), McEwe n, A(10), Murchie, S(8), Neukum,G, Oberst,J, Pieters, C(8), Pilcher, C.(11), Pl utchak, J(8), Robinson, M(6), Sullivan, R(1), Sunshine, J(8), and Veverka, J(12)

Published
1991

48. Galileo observations of Lunar Maria

Author

Greeley, R., Kadel, S., Williams, D.A., Belton, M.J.S., Gaddis, L., McEwen, A., Head, J.W., Murchie, S., Pieters, C., Sunshine, J., Neukum, G., Carr, M.H., and Chapman, C.R.

Published
1991

49. HRSC: High resolution stereo camera

Author

Neukum, G., Jaumann, R., Basilevsky, A. T., Dumke, A., Gasselt, S., Giese, B., Hauber, E., Head Iii, J. W., Heipke, C., Hoekzema, N., Hoffmann, H., Greeley, R., Gwinner, K., Kirk, R., Markiewicz, W., Mccord, T. B., Michael, G., Jan-Peter Muller, Murray, J. B., Oberst, J., Pinet, P., Pischel, R., Roatsch, T., Scholten, F., and Willner, K.

50. Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission

Author

Keszthelyi, L., Mcewen, A. S., Phillips, C. B., Milazzo, M., Geissler, P., Turtle, E. P., Radebaugh, J., Williams, D. A., Simonelli, D. P., Breneman, H. H., Klaasen, K. P., Levanas, G., Denk, T., Alexander, D. D. A., Capraro, K., Chang, S. -H, Chen, A. C., Clark, J., Conner, D. L., Culver, A., Handley, T. H., Jensen, D. N., Knight, D. D., Lavoie, S. K., Mcauley, M., Mego, V., Montoya, O., Mortensen, H. B., Noland, S. J., Patel, R. R., Pauro, T. M., Stanley, C. L., Steinwand, D. J., Thaller, T. F., Woncik, P. J., Yagi, G. M., Yoshimizu, J. R., Alvarez Del Castillo, E. M., Belton, M. J. S., Beyer, R., Branston, D., Fishburn, M. B., Mueller, B., Ragan, R., Samarasinha, N., Anger, C. D., Cunningham, C., Little, B., Arriola, S., Carr, M. H., Asphaug, E., Moore, J., Morrison, D., Rages, K., Banfield, D., Bell, M., Burns, J. A., Carcich, B., Clark, B., Currier, N., Dauber, I., Gierasch, P. J., Helfenstein, P., Mann, M., Othman, O., Rossier, L., Solomon, N., Sullivan, R., Thomas, P. C., Veverka, J., Becker, T., Edwards, K., Gaddis, L., Kirk, R., Lee, E., Rosanova, T., Sucharski, R. M., Beebe, R. F., Simon, A., Bender, K., Chuang, F., Fagents, S., Figueredo, P., Greeley, R., Homan, K., Kadel, S., Kerr, J., Klemaszewski, J., Lo, E., Schwarz, W., Williams, K., Bierhaus, E., Brooks, S., Chapman, C. R., Merline, B., Keller, J., Schenk, P., Tamblyn, P., Bouchez, A., Dyundian, U., Ingersoll, A. P., Showman, A., Spitale, J., Stewart, S., Vasavada, A., Cunningham, W. F., Johnson, T. V., Jones, T. J., Kaufman, J. M., Magee, K. P., Meredith, M. K., Orton, G. S., Senske, D. A., West, A., Winther, D., Collins, G., Fripp, W. J., Head Iii, J. W., Robert Pappalardo, Pratt, S., Procter, L., Spaun, N., Colvin, T., Davies, M., Dejong, E. M., Hall, J., Suzuki, S., Gorjian, Z., Giese, B., Koehler, U., Neukum, G., Oberst, J., Roatsch, T., Tost, W., Schuster, P., Wagner, R., Dieter, N., Durda, D., Greenberg, R. J., Hoppa, G., Jaeger, W., Plassman, J., Tufts, R., Fanale, F. P., Granahan, J. C., Ip, W. -H, Mcelroy, M., Yatteau, J., Moore, W. B., Schubert, G., and Pilcher, C. B.

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