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Hermalyn, B; Farnham, T; Collins, S; Kelley, M; A'Hearn, M; Bodewits, D; Carcich, B; et al. (2013). "The detection, localization, and dynamics of large icy particles surrounding Comet 103P/Hartley 2". Icarus. 222 (2): 625–33. Bibcode:2013Icar..222..625H. doi:10.1016/j.icarus.2012.09.030. "dust, ice, and hundreds of discrete millimeter to decimeter sized particles."
Dones, L; Brasser, R; Kaib, N; Rickman, H (2015). "Origin and Evolution of the Cometary Reservoirs". Space Science Reviews. 197 (1–4): 191–69. Bibcode:2015SSRv..197..191D. doi:10.1007/s11214-015-0223-2. S2CID123931232. "so the astrophysical use of the word "pebble" differs from its geological meaning."
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Reach, W; Sykes, M; Lien, D; Davies, J (2000). "The Formation of Encke Meteoroids and Dust Trail". Icarus. 148 (1): 80. arXiv:astro-ph/0007146. Bibcode:2000Icar..148...80R. doi:10.1006/icar.2000.6478. S2CID18509697.} "abundant large particles near the comet pose a significant hazard to spacecraft. There is no evidence of a classical cometary dust tail due to small particles."
Rubin, A; Grossman, J (Mar 2010). "Meteorite and meteoroid: New comprehensive definitions". Meteoritics & Planetary Science. 45 (1): 114–22. Bibcode:2010M&PS...45..114R. doi:10.1111/j.1945-5100.2009.01009.x. S2CID129972426. "...in practice the term is most often applied to objects smaller than approximately 100 um. These size ranges need to be modified." "By this definition, IDPs are particles smaller than 10um.""
Greenberg, M; Li, A (1997). "Morphological structural and chemical composition of cometary nuclei and dust". Space Science Reviews. 90: 149–61. doi:10.1023/A:1005298014670. S2CID189789755. "tenth micron particles" "very fluffy aggregates"
Dones, L; Brasser, R; Kaib, N; Rickman, H (2015). "Origin and Evolution of the Cometary Reservoirs". Space Science Reviews. 197 (1–4): 191–69. Bibcode:2015SSRv..197..191D. doi:10.1007/s11214-015-0223-2. S2CID123931232. "so the astrophysical use of the word "pebble" differs from its geological meaning."
Güttler, C; Mannel, T; Rotundi, A; Merouane, S; Fulle, M; Bockelee-Morvan, D; lasue, J; et al. (2019). "Synthesis of the morphological description of cometary dust at comet 67P/Churyumov-Gerasimenko". Astronomy & Astrophysics. 630: A24. arXiv:1902.10634. Bibcode:2019A&A...630A..24G. doi:10.1051/0004-6361/201834751. S2CID119074609. "small, decimeter-sized boulders"
Reach, W; Sykes, M; Lien, D; Davies, J (2000). "The Formation of Encke Meteoroids and Dust Trail". Icarus. 148 (1): 80. arXiv:astro-ph/0007146. Bibcode:2000Icar..148...80R. doi:10.1006/icar.2000.6478. S2CID18509697.} "abundant large particles near the comet pose a significant hazard to spacecraft. There is no evidence of a classical cometary dust tail due to small particles."