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3. Report of the Science Community Workshop on the proposed First Sample Depot for the Mars Sample Return Campaign.

Author

Czaja, A. D., Zorzano, M.‐P., Kminek, G., Meyer, M. A., Beaty, D. W., Sefton‐Nash, E., Carrier, B. L., Thiessen, F., Haltigin, T., Bouvier, A., Dauphas, N., French, K. L., Hallis, L. J., Harris, R. L., Hauber, E., Rodriguez, L. E., Schwenzer, S. P., Steele, A., Tait, K. T., and Thorpe, M. T.

Subjects
SCIENCE journalism, COMMUNITIES, MARS (Planet), REGOLITH, COMMUNITY support, RESEARCH teams, MARTIAN exploration
Abstract

The Mars 2020/Mars Sample Return (MSR) Sample Depot Science Community Workshop was held on September 28 and 30, 2022, to assess the Scientifically‐Return Worthy (SRW) value of the full collection of samples acquired by the rover Perseverance at Jezero Crater, and of a proposed subset of samples to be left as a First Depot at a location within Jezero Crater called Three Forks. The primary outcome of the workshop was that the community is in consensus on the following statement: The proposed set of ten sample tubes that includes seven rock samples, one regolith sample, one atmospheric sample, and one witness tube constitutes a SRW collection that: (1) represents the diversity of the explored region around the landing site, (2) covers partially or fully, in a balanced way, all of the International MSR Objectives and Samples Team scientific objectives that are applicable to Jezero Crater, and (3) the analyses of samples in this First Depot on Earth would be of fundamental importance, providing a substantial improvement in our understanding of Mars. At the conclusion of the meeting, there was overall community support for forming the First Depot as described at the workshop and placing it at the Three Forks site. The community also recognized that the diversity of the Rover Cache (the sample collection that remains on the rover after placing the First Depot) will significantly improve with the samples that are planned to be obtained in the future by the Perseverance rover and that the Rover Cache is the primary target for MSR to return to Earth. [ABSTRACT FROM AUTHOR]

Published
2023
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4. TandEM: Titan and Enceladus mission

Author

Coustenis, A., Atreya, S. K., Balint, T., Brown, R. H., Dougherty, M. K., Ferri, F., Fulchignoni, M., Gautier, D., Gowen, R. A., Griffith, C. A., Gurvits, L. I., Jaumann, R., Langevin, Y., Leese, M. R., Lunine, J. I., McKay, C. P., Moussas, X., Müller-Wodarg, I., Neubauer, F., Owen, T. C., Raulin, F., Sittler, E. C., Sohl, F., Sotin, C., Tobie, G., Tokano, T., Turtle, E. P., Wahlund, J.-E., Waite, J. H., Baines, K. H., Blamont, J., Coates, A. J., Dandouras, I., Krimigis, T., Lellouch, E., Lorenz, R. D., Morse, A., Porco, C. C., Hirtzig, M., Saur, J., Spilker, T., Zarnecki, J. C., Choi, E., Achilleos, N., Amils, R., Annan, P., Atkinson, D. H., Bénilan, Y., Bertucci, C., Bézard, B., Bjoraker, G. L., Blanc, M., Boireau, L., Bouman, J., Cabane, M., Capria, M. T., Chassefière, E., Coll, P., Combes, M., Cooper, J. F., Coradini, A., Crary, F., Cravens, T., Daglis, I. A., de Angelis, E., de Bergh, C., de Pater, I., Dunford, C., Durry, G., Dutuit, O., Fairbrother, D., Flasar, F. M., Fortes, A. D., Frampton, R., Fujimoto, M., Galand, M., Grasset, O., Grott, M., Haltigin, T., Herique, A., Hersant, F., Hussmann, H., Ip, W., Johnson, R., Kallio, E., Kempf, S., Knapmeyer, M., Kofman, W., Koop, R., Kostiuk, T., Krupp, N., Küppers, M., Lammer, H., Lara, L.-M., Lavvas, P., Le Mouélic, S., Lebonnois, S., Ledvina, S., Li, J., Livengood, T. A., Lopes, R. M., Lopez-Moreno, J.-J., Luz, D., Mahaffy, P. R., Mall, U., Martinez-Frias, J., Marty, B., McCord, T., Menor Salvan, C., Milillo, A., Mitchell, D. G., Modolo, R., Mousis, O., Nakamura, M., Neish, C. D., Nixon, C. A., Nna Mvondo, D., Orton, G., Paetzold, M., Pitman, J., Pogrebenko, S., Pollard, W., Prieto-Ballesteros, O., Rannou, P., Reh, K., Richter, L., Robb, F. T., Rodrigo, R., Rodriguez, S., Romani, P., Ruiz Bermejo, M., Sarris, E. T., Schenk, P., Schmitt, B., Schmitz, N., Schulze-Makuch, D., Schwingenschuh, K., Selig, A., Sicardy, B., Soderblom, L., Spilker, L. J., Stam, D., Steele, A., Stephan, K., Strobel, D. F., Szego, K., Szopa, C., Thissen, R., Tomasko, M. G., Toublanc, D., Vali, H., Vardavas, I., Vuitton, V., West, R. A., Yelle, R., and Young, E. F.

Published
2009
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5. The OSIRIS-REx Laser Altimeter (OLA) Investigation and Instrument.

Author

Daly, M., Barnouin, O., Dickinson, C., Seabrook, J., Johnson, C., Cunningham, G., Haltigin, T., Gaudreau, D., Brunet, C., Aslam, I., Taylor, A., Bierhaus, E., Boynton, W., Nolan, M., and Lauretta, D.

Subjects
ALTIMETERS, SPACE vehicles, ASTEROIDS, LIDAR
Abstract

The Canadian Space Agency (CSA) has contributed to the Origins Spectral Interpretation Resource Identification Security-Regolith Explorer (OSIRIS-REx) spacecraft the OSIRIS-REx Laser Altimeter (OLA). The OSIRIS-REx mission will sample asteroid 101955 Bennu, the first B-type asteroid to be visited by a spacecraft. Bennu is thought to be primitive, carbonaceous, and spectrally most closely related to CI and/or CM meteorites. As a scanning laser altimeter, the OLA instrument will measure the range between the OSIRIS-REx spacecraft and the surface of Bennu to produce digital terrain maps of unprecedented spatial scales for a planetary mission. The digital terrain maps produced will measure $\sim7~\mbox{cm}$ per pixel globally, and $\sim3~\mbox{cm}$ per pixel at specific sample sites. In addition, OLA data will be used to constrain and refine the spacecraft trajectories. Global maps and highly accurate spacecraft trajectory estimates are critical to infer the internal structure of the asteroid. The global and regional maps also are key to gain new insights into the surface processes acting across Bennu, which inform the selection of the OSIRIS-REx sample site. These, in turn, are essential for understanding the provenance of the regolith sample collected by the OSIRIS-REx spacecraft. The OLA data also are important for quantifying any hazards near the selected OSIRIS-REx sample site and for evaluating the range of tilts at the sampling site for comparison against the capabilities of the sample acquisition device. [ABSTRACT FROM AUTHOR]

Published
2017
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6. MSR SCIENCE PLANNING GROUP (MSPG) WORKSHOP #2 REPORT: CONTAMINATION CONTROL.

Author

Sefton-Nash, E., Meyer, M. A., Beaty, D. W., Marty, B., McCubbin, F. M., Carrier, B. L., Grady, M. M., Haltigin, T., Siljeström, S., Stansbery, E. K., Tait, K., Wadhwa, M., Harrington, A. D., Liu, Y., Bass, D. S., Mattingly, R. L., and Gaubert, F.

Subjects
ADULT education workshops, VALUE engineering, GOVERNMENT policy, FORUMS, PLANETARY science, HYPERLINKS
Published
2019

10. Hemispherical differences in the shape and topography of asteroid (101955) Bennu.

Author

Daly, M. G., Barnouin, O. S., Seabrook, J. A., Roberts, J., Dickinson, C., Walsh, K. J., Jawin, E. R., Palmer, E. E., Gaskell, R., Weirich, J., Haltigin, T., Gaudreau, D., Brunet, C., Cunningham, G., Michel, P., Zhang, Y., Ballouz, R.-L., Neumann, G., Perry, M. E., and Philpott, L.

Subjects
*ASTEROIDS, *TOPOGRAPHY, *PHYSICAL sciences, *CORRECTION factors
Abstract

The article discusses the shape of near-Earth asteroid Bennu by constructing a high-resolution global digital terrain model from laser altimeter data. Topics include the north has fewer large boulders and evidence of boulder dynamics and surface flow; and to provide data for selecting the sampling site, as well as geological context for the sample, the spacecraft carries a diverse suite of instruments.

Published
2020
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