Secondary craters on Europa and implications for cratered surfaces

Nature

Volumn 437, Issue 7062, 2005, Pages 1125-1127

  Bierhaus, Edward B ^a   Chapman, Clark R ^b   Merline, William J ^b  

^a LOCKHEED MARTIN   (United States)

^b SOUTHWEST RESEARCH INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; GEOLOGY; MOON; PLANETS;

ASTEROIDS; CRATER POPULATION; JOVIAN SYSTEM; PLANETARY RESEARCHERS;

NATURAL SCIENCES COMPUTING;

CRATER; EJECTA; EUROPA; IMPACT STRUCTURE; PLANETARY LANDFORM;

ANALYTIC METHOD; ARTICLE; ASTRONOMY; COMPARATIVE STUDY; MOON; PRIORITY JOURNAL; SOLID; SURFACE PROPERTY;

EID: 27144546964     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature04069     Document Type: Article

References (30)

1. Basaltic Volcanism Study Project. In Basaltic Volcanism on the Terrestrial Planets (eds Kaula, W. M. et al.) Ch. 8 (Pergamon, New York, 1981).
2. Shoemaker, E. M., Hackman, R. J. & Eggleton, R. E. Interplanetary correlation of geologic time. Adv. Astronaut. Sci. 8, 70-89 (1963).
3. Zahnle, K., Schenk, P. & Levison, H. Cratering rates in the outer Solar System. Icarus 163, 263-289 (2003).
4. Zahnle, K., Dones, L. & Levison, H. Cratering rates on the Galilean satellites. Icarus 136, 202-222 (1998).
5. Levison, H. F. et al. Planetary impact rates from ecliptic comets. Icarus 143, 415-420 (2000).
6. Levison, H. F. & Duncan, M. J. From the Kuiper Belt to Jupiter-family comets: the spatial distribution of ecliptic comets. Icarus 127, 13-32 (1997).
7. Shoemaker, E. M. Ballistics of the Copernican ray system. Proc. Lunar Planet. Colloq. 2, 7-21 (1960).
8. Neukum, G., Ivanov, B. A. & Hartmann, H. K. Cratering records in the inner solar system in relation to the lunar reference system. Space Sci. Rev. 96, 55-86 (2001).
9. Fielder, G. Ray elements and secondary-impact craters on the Moon. Astrophys. J. 135, 632-637 (1962).
10. Roberts, W. A. Secondary craters. Icarus 3, 348-364 (1964).
11. Kopal, Z. The nature of secondary craters photographed by Ranger VII. Icarus 5, 201-213 (1966).
12. Lucchitta, B. K. Crater clusters and light mantle at the Apollo 17 site - A result of secondary impacts from Tycho. Icarus 30, 80-96 (1977).
13. Shoemaker, E. M. Preliminary analysis of the fine structure of the lunar surface. In Ranger VII, Part II, Experimenters' Analyses and Interpretations 75-134 (Tech. Rep. No. 32-700, Jet Propulsion Laboratory, Pasadena, 1965).
14. Vickery, A. M. Variation in ejecta size with ejection velocity. Geophys. Res. Lett. 14, 726-729 (1987).
15. Vickery, A. M. Size-velocity distribution of large ejecta fragments. Icarus 67, 224-236 (1986).
16. Bierhaus, E. B., Chapman, C. R. & Merline, W. J. On the clustering of Europa's small craters. Lunar Planet. Sci. Conf. XXXII, abstr. no. 1967 (2001).
17. Bierhaus, E. B. Discovery that Secondary Craters Dominate Europa's Small Crater Population PhD thesis, Univ. Colorado at Boulder (2004).
18. Duda, R. O. & Hart, P. E. Pattern Classification and Scene Analysis (Wiley and Sons, New York, 1973).
19. Bierhaus, E. B., Chapman, C. R., Merline, W. J., Brooks, S. M. & Asphaug, E. Pwyll secondaries and other small craters on Europa. Icarus 153, 264-276 (2001).
20. Duncan, M., Levison, H. & Dones, L. in Comets II (eds Festou, M. C., Keller, H. U. & Weaver, H. A.) 193-204 (Univ. Arizona Press, Tucson, 2004).
21. Berstein, G. M. et al. The size distribution of trans-Neptunian bodies. Astron. J. 128, 1364-1390 (2004).
22. Schenk, P., Chapman, C. R., Zahnle, K. & Moore, J. M. in Jupiter (eds Bagenal, F., Dowling, T. E. & McKinnon, W. B.) 427-456 (Cambridge University Press, Cambridge, 2004).
23. Kato, M. et al. Ice-on-ice impact experiments. Icarus 113, 423-441 (1995).
24. Arakawa, M. et al. Ejection velocity of ice fragments. Icarus 118, 341-354 (1995).
25. Kato, M. et al. Shock pressure attenuation in water ice at a pressure below 1 GPa. J. Geophys. Res. 106, 17567-17578 (2001).
26. Ivanov, B. A., Neukum, G., Bottke, W. F. & Hartmann, W. K. in Asteroids III (eds Bottke, W. F., Cellino, A., Paolicchi, P. & Binzel, R. P.) 89-101 (Univ. Arizona Press, Tucson, 2002).
27. Hartmann, W. K. Martian cratering VI. Crater count isochrons and evidence for recent volcanism from Mars Global Surveyor. Meteorit. Planet. Sci. 34, 167-177 (1999).
28. Hauber, E. et al. Discovery of a flank caldera and very young glacial activity at Hecates Tholus, Mars. Nature 434, 356-361 (2005).
29. Murray, J. B. et al. Evidence from the Mars Express High Resolution Stereo Camera for a frozen sea close to Mars' equator. Nature 434, 353-356 (2005).
30. McEwen, A. S. et al. The rayed crater Zunil and interpretations of small impact craters on Mars. Icarus 176, 351-381 (2005).