New Paradigms For Asteroid Formation

Anders Johansen, Emmanuel Jacquet, Jeffrey N. Cuzzi, Alessandro Morbidelli, Matthieu Gounelle Chapter to appear in the book ASTEROIDS IV, (University of Arizona Press) Space Science Series, edited by P. Michel, F. DeMeo and W. Bottke…

Dating the Moon-forming impact event with asteroidal meteorites

W. F. Bottke, D. Vokrouhlický, S. Marchi, T. Swindle, E. R. D. Scott, J. R. Weirich, and H. Levison Science 17 April 2015: Vol. 348 no. 6232 pp. 321-323 DOI: 10.1126/science.aaa0602 LINK Supplementary materials (PDF)

Dawn’s First Color Map of Ceres

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Jupiter’s decisive role in the inner Solar System’s early evolution

Konstantin Batygin and Greg Laughlin PNAS 2015 ; published ahead of print March 23, 2015, doi:10.1073/pnas.1423252112 LINK Supporting Information (PDF)

Large bolide disintegrates above Swiss Alps (15 March, 19:44 UTC)

Large bolide with fragmentations and detonations, at least 8.8 seconds The end of the trajectory was probably above the high Alps in Switzerland, just southsoutheast of Lake Lucerne. Update (16 March 2015): First trajectory calculation…

Chelyabinsk, Zond IV, and a possible first-century fireball of historical importance

Hartmann, W. K. (2015) Meteoritics & Planetary Science doi: 10.1111/maps.12428 LINK Comment on “Chelyabinsk, Zond IV, and a possible first‐century fireball of historical importance” William K. Hartmann, Alexander Forte, Alina SABYR Meteorit Planet Sci. ….

Paleomagnetic and rock magnetic study of the Mistastin Lake impact structure (Labrador, Canada): Implications for geomagnetic perturbation and shock effects

Gwenaël Hervé, Stuart A. Gilder, Cassandra L. Marion, Gordon R. Osinski, Jean Pohl, Nikolai Petersen, Paul J. Sylvester Earth and Planetary Science Letters doi:10.1016/j.epsl.2015.02.011 LINK

Chelyabinsk meteorite: Shock metamorphism, black veins and impact melt dikes, and the Hugoniot

D. D. Badyukov, J. Raitala, P. Kostama, A. V. Ignatiev Petrology March 2015, Volume 23, Issue 2, pp 103-115 LINK

Dawn has successfully entered an orbit around Ceres at 12:39 UTC on March 6

Meteoritical Bulletin – Categorization of falls and finds (25 Feb 2015)

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The two views of Ceres

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