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In situ evidence of thermally induced rock breakdown widespread on Bennu's surface.
Molaro JL, Walsh KJ, Jawin ER, Ballouz RL, Bennett CA, DellaGiustina DN, Golish DR, Drouet d'Aubigny C, Rizk B, Schwartz SR, Hanna RD, Martel SJ, Pajola M, Campins H, Ryan AJ, Bottke WF, Lauretta DS. Molaro JL, et al. Among authors: walsh kj. Nat Commun. 2020 Jun 9;11(1):2913. doi: 10.1038/s41467-020-16528-7. Nat Commun. 2020. PMID: 32518333 Free PMC article.
The unexpected surface of asteroid (101955) Bennu.
Lauretta DS, DellaGiustina DN, Bennett CA, Golish DR, Becker KJ, Balram-Knutson SS, Barnouin OS, Becker TL, Bottke WF, Boynton WV, Campins H, Clark BE, Connolly HC Jr, Drouet d'Aubigny CY, Dworkin JP, Emery JP, Enos HL, Hamilton VE, Hergenrother CW, Howell ES, Izawa MRM, Kaplan HH, Nolan MC, Rizk B, Roper HL, Scheeres DJ, Smith PH, Walsh KJ, Wolner CWV; OSIRIS-REx Team. Lauretta DS, et al. Among authors: walsh kj. Nature. 2019 Apr;568(7750):55-60. doi: 10.1038/s41586-019-1033-6. Epub 2019 Mar 19. Nature. 2019. PMID: 30890786 Free PMC article.
Collisional formation of top-shaped asteroids and implications for the origins of Ryugu and Bennu.
Michel P, Ballouz RL, Barnouin OS, Jutzi M, Walsh KJ, May BH, Manzoni C, Richardson DC, Schwartz SR, Sugita S, Watanabe S, Miyamoto H, Hirabayashi M, Bottke WF, Connolly HC, Yoshikawa M, Lauretta DS. Michel P, et al. Among authors: walsh kj. Nat Commun. 2020 May 27;11(1):2655. doi: 10.1038/s41467-020-16433-z. Nat Commun. 2020. PMID: 32461569 Free PMC article.
Variations in color and reflectance on the surface of asteroid (101955) Bennu.
DellaGiustina DN, Burke KN, Walsh KJ, Smith PH, Golish DR, Bierhaus EB, Ballouz RL, Becker TL, Campins H, Tatsumi E, Yumoto K, Sugita S, Deshapriya JDP, Cloutis EA, Clark BE, Hendrix AR, Sen A, Al Asad MM, Daly MG, Applin DM, Avdellidou C, Barucci MA, Becker KJ, Bennett CA, Bottke WF, Brodbeck JI, Connolly HC Jr, Delbo M, de Leon J, Drouet d'Aubigny CY, Edmundson KL, Fornasier S, Hamilton VE, Hasselmann PH, Hergenrother CW, Howell ES, Jawin ER, Kaplan HH, Le Corre L, Lim LF, Li JY, Michel P, Molaro JL, Nolan MC, Nolau J, Pajola M, Parkinson A, Popescu M, Porter NA, Rizk B, Rizos JL, Ryan AJ, Rozitis B, Shultz NK, Simon AA, Trang D, Van Auken RB, Wolner CWV, Lauretta DS. DellaGiustina DN, et al. Among authors: walsh kj. Science. 2020 Nov 6;370(6517):eabc3660. doi: 10.1126/science.abc3660. Epub 2020 Oct 8. Science. 2020. PMID: 33033157
Bennu's near-Earth lifetime of 1.75 million years inferred from craters on its boulders.
Ballouz RL, Walsh KJ, Barnouin OS, DellaGiustina DN, Asad MA, Jawin ER, Daly MG, Bottke WF, Michel P, Avdellidou C, Delbo M, Daly RT, Asphaug E, Bennett CA, Bierhaus EB, Connolly HC Jr, Golish DR, Molaro JL, Nolan MC, Pajola M, Rizk B, Schwartz SR, Trang D, Wolner CWV, Lauretta DS. Ballouz RL, et al. Among authors: walsh kj. Nature. 2020 Nov;587(7833):205-209. doi: 10.1038/s41586-020-2846-z. Epub 2020 Oct 26. Nature. 2020. PMID: 33106686
Fine-regolith production on asteroids controlled by rock porosity.
Cambioni S, Delbo M, Poggiali G, Avdellidou C, Ryan AJ, Deshapriya JDP, Asphaug E, Ballouz RL, Barucci MA, Bennett CA, Bottke WF, Brucato JR, Burke KN, Cloutis E, DellaGiustina DN, Emery JP, Rozitis B, Walsh KJ, Lauretta DS. Cambioni S, et al. Among authors: walsh kj. Nature. 2021 Oct;598(7879):49-52. doi: 10.1038/s41586-021-03816-5. Epub 2021 Oct 6. Nature. 2021. PMID: 34616055
Meteoroid Impacts as a Source of Bennu's Particle Ejection Events.
Bottke WF, Moorhead AV, Connolly HC Jr, Hergenrother CW, Molaro JL, Michel P, Nolan MC, Schwartz SR, Vokrouhlický D, Walsh KJ, Lauretta DS. Bottke WF, et al. Among authors: walsh kj. J Geophys Res Planets. 2020 Aug;125(8):e2019JE006282. doi: 10.1029/2019JE006282. Epub 2020 Aug 16. J Geophys Res Planets. 2020. PMID: 32999798 Free PMC article.
Thermal Fatigue as a Driving Mechanism for Activity on Asteroid Bennu.
Molaro JL, Hergenrother CW, Chesley SR, Walsh KJ, Hanna RD, Haberle CW, Schwartz SR, Ballouz RL, Bottke WF, Campins HJ, Lauretta DS. Molaro JL, et al. Among authors: walsh kj. J Geophys Res Planets. 2020 Aug;125(8):e2019JE006325. doi: 10.1029/2019JE006325. Epub 2020 Aug 20. J Geophys Res Planets. 2020. PMID: 32999800 Free PMC article.
Asteroid (101955) Bennu's weak boulders and thermally anomalous equator.
Rozitis B, Ryan AJ, Emery JP, Christensen PR, Hamilton VE, Simon AA, Reuter DC, Al Asad M, Ballouz RL, Bandfield JL, Barnouin OS, Bennett CA, Bernacki M, Burke KN, Cambioni S, Clark BE, Daly MG, Delbo M, DellaGiustina DN, Elder CM, Hanna RD, Haberle CW, Howell ES, Golish DR, Jawin ER, Kaplan HH, Lim LF, Molaro JL, Munoz DP, Nolan MC, Rizk B, Siegler MA, Susorney HCM, Walsh KJ, Lauretta DS. Rozitis B, et al. Among authors: walsh kj. Sci Adv. 2020 Oct 8;6(41):eabc3699. doi: 10.1126/sciadv.abc3699. Print 2020 Oct. Sci Adv. 2020. PMID: 33033037 Free PMC article.
Hemispherical differences in the shape and topography of asteroid (101955) Bennu.
Daly MG, Barnouin OS, Seabrook JA, Roberts J, Dickinson C, Walsh KJ, Jawin ER, Palmer EE, Gaskell R, Weirich J, Haltigin T, Gaudreau D, Brunet C, Cunningham G, Michel P, Zhang Y, Ballouz RL, Neumann G, Perry ME, Philpott L, Al Asad MM, Johnson CL, Adam CD, Leonard JM, Geeraert JL, Getzandanner K, Nolan MC, Daly RT, Bierhaus EB, Mazarico E, Rozitis B, Ryan AJ, DellaGiustina DN, Rizk B, Susorney HCM, Enos HL, Lauretta DS. Daly MG, et al. Among authors: walsh kj. Sci Adv. 2020 Oct 8;6(41):eabd3649. doi: 10.1126/sciadv.abd3649. Print 2020 Oct. Sci Adv. 2020. PMID: 33033038 Free PMC article.
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