Chelyabinsk main mass’s current weight refined to 503.33 kg

On 2 February 2015 another precise weighing refined the current weight of the Chelyabinsk main mass as it is presented in the Chelyabinsk Museum to 503.33(3333333333) grams. In two years the main mass will be…

Modeling asteroid collisions and impact processes

Martin Jutzi, Keith Holsapple, Kai Wünneman, Patrick Michel Chapter to appear in the Space Science Series Book: Asteroids IV arXiv:1502.01844 PDF (full text) LINK

Ceres – seen by Dawn III

This animation showcases a series of images NASA’s Dawn spacecraft took on approach to Ceres on Feb. 4, 2015 at a distance of about 90,000 miles (145,000 kilometers) from the dwarf planet. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/PSI

Compound Chondrules fused Cold

Alexander Hubbard Icarus arXiv:1502.01299 PDF LINK (full text) LINK (abstract) updated: 31 March 2015 LINK (abstract) doi:10.1016/j.icarus.2015.02.030

The ANSMET 2014 / 2015 Field Season – 562 meteorites collected

562 meteorites have been collected during the 2014/2015 season. 60% of these were collected on the morains. Together with the meteorites from the 2013/2014 season, which have been stored in Antarctica for a year, almost…

Asteroid Family Physical Properties

Joseph Masiero, Francesca DeMeo, Toshihiro Kasuga, Alex H. Parker arXiv:1502.00961 PDF LINK (full text) LINK

Souss/Météorites – Un commerce juteux pour les nomades

Souss/Météorites – Un commerce juteux pour les nomades L’Economiste (Morocco), 28 January 2015 Souss/Météorites – Un commerce juteux pour les nomades (automatic English translation)

Short-term variability on the surface of (1) Ceres. A changing amount of water ice?

D. Perna, Z. Kaňuchová, S. Ieva, S. Fornasier, M. A. Barucci, C. Lantz, E. Dotto, G. Strazzulla PDF LINK (full text) LINK

Evidence for a Widespread Basaltic Breccia Component in the Martian Low-Albedo Regions from the Reflectance Spectrum of Northwest Africa 7034

Kevin M. Cannon, John F. Mustard, Carl B. Agee Icarus, available online 29 January 2015 LINK Meteorite may represent ‘bulk background’ of Mars’ battered crust Brown University (January 30, 2015)

Ceres – seen by Dawn spacecraft II

This animation of the dwarf planet Ceres was made by combining images taken by NASA’s Dawn spacecraft on January 25, 2015. The spacecraft’s framing camera took these images, at a distance of about 147,000 miles…

Formation and Growth of Bodies in the Early Solar System: From Turbulence Motion to Revolving Motion of the Particles and Small Bodies

T. R. Abdulmyanov 46th Lunar and Planetary Science Conference (2015), Abstract #1016 PDF LINK

Petrology and Cosmochemistry of a Suite of R Chondrites

Z. A. Torrano, D. W. Mittlefehldt, Z. X. Peng 46th Lunar and Planetary Science Conference (2015), Abstract #1229 PDF LINK

A Short Time Interval for the Formation of Chondrules’ Precursors

T. H. Luu, E. D. Young, M. Gounelle, M. Chaussidon 46th Lunar and Planetary Science Conference (2015), Abstract #2110 PDF LINK Short time interval for condensation of high-temperature silicates in the solar accretion disk Han…

Measurement of Thermal Properties of the Ordinary Chondrites Relevant to Planet-Forming Processes

K. A. McCain, F. J. Ciesla, P. R. Heck, S. S. Rout, M. Pellin, C. Malliakas, J. F. Mitchell 46th Lunar and Planetary Science Conference (2015), Abstract #2730 PDF LINK

Refractory Inclusions Recycled During Formation of Porphyritic Chondrules from CH Carbonaceous Chondrites

A. N. Krot, K. Nagashima, E. M. M. E. van Kooten, M. Bizzarro 46th Lunar and Planetary Science Conference (2015), Abstract #1596 PDF LINK

A TEM Study of the Fine-Grained Material of the NWA 7533 Martian Regolith Breccia

H. Leroux, M. Marinova, D. Jacob, R. H. Hewins, B. Zanda, M. Humayun, J. P. Lorand 46th Lunar and Planetary Science Conference (2015), Abstract #1832 PDF LINK

The Thermal and Alteration History of NWA 8114 Martian Regolith

J. L. MacArthur, J. C. Bridges, L. J. Hicks, S. J. Gurman 46th Lunar and Planetary Science Conference (2015), Abstract #2295 PDF LINK

FTIR and Fluorescence Spectroscopic Analyses of NWA 7034: Organic Terrestrial Contamination and Its Association with High Nickel Regions

S. Wirick, G. J. Flynn, J. Brandes, L. Miller, R. Sm 46th Lunar and Planetary Science Conference (2015), Abstract #2348 PDF LINK

Igneous Petrology and Geochemistry of the Tissint Meteorite

J. B. Balta, M. E. Sanborn, A. Udry, M. Wadhwa, H. Y. McSween 46th Lunar and Planetary Science Conference (2015), Abstract #1267 PDF LINK

Water in Martian Meteorites: Oxygen Isotope Compositions

O. V. Maltsev, K. Ziegler, Z. D. Sharp, C. B. Agee 46th Lunar and Planetary Science Conference (2015), Abstract #2268 PDF LINK

Composition of Fine-Grained Bulk Matrix and Protobreccia Clast Matrix in Northwest Africa 7034: Implications for the Composition of the Martian Crust

F. M. McCubbin, A. Simonetti, C. K. Shearer, A. R. Santos, J. M. D. Day, J. W. Boyce, N. Muttik, C. B. Agee 46th Lunar and Planetary Science Conference (2015), Abstract #1723 PDF LINK

Laser Induced Breakdown Spectroscopy Sampling in Martian Polymict Breccia Northwest Africa 7034

S. R. Gordon, H. E. Newsom, S. Clegg, M. D. Dyar, C. B. Agee 46th Lunar and Planetary Science Conference (2015), Abstract #2232 PDF LINK

Petrology of Iron, Titanium, and Phosphorus Rich Clasts Within Martian Meteorite Northwest Africa 7034

A. R. Santos, C. B. Agee, F. M. McCubbin, C. K. Shearer 46th Lunar and Planetary Science Conference (2015), Abstract #1941 PDF LINK

Recycling of an Asteroid via a Comet Inferred from the Chelyabinsk Meteorite

E. Nakamura, T. Kunihiro, H. Kitagawa, K. Kobayashi, T. Ota, C. Sakaguchi, Y. Shimaki, R. Tanaka, T. Tsujimori, M. Yamanaka, G. E. Bebout, V. I. Grokhovsky, O. N. Koroleva, K. D. Litasov, V. Malkovets 46th…

Physical Characterization of Chelyabinsk-Sized (~20 meter) Near-Earth Asteroids: Implications for Impact Hazard, Meteorite Source Bodies, and Human Exploration

V. Reddy, R. R. Landis, J. A. Sanchez, P. S. Hardersen, B. Burt, F. E. DeMeo, M. J. Gaffey, L. Le Corre 46th Lunar and Planetary Science Conference (2015), Abstract #1289 PDF LINK

Snow Compaction During the Chelyabinsk Meteorite Fall

R. Luther, A. Lukashin, N. Artemieva, V. Shuvalov, K. Wünnemann 46th Lunar and Planetary Science Conference (2015), Abstract #1724 PDF LINK

Modeling the Chelyabinsk Impact, 2

D. G. Korycansky 46th Lunar and Planetary Science Conference (2015), Abstract #1144 PDF LINK

Formation of Carbon-Rich Grains by the Chelyabinsk and Nio Meteoritic Showers

Y. Miura, T. Tanosaki 46th Lunar and Planetary Science Conference (2015), Abstract #1666 PDF LINK

Mineralogy, Petrology, Chronology, and Exposure History of the Chelyabinsk Meteorite and Parent Body

K. Righter, P. Abell, D. Agresti, E. L. Berger, A. S. Burton, J. S. Delaney, M. D. Fries, E. K. Gibson, R. Harrington, G. F. Herzog, L. P. Keller, D. Locke, F. Lindsay, T. J….

Highly Siderophile Element and 187Re-187Os Isotopic Systematics of Ungrouped Achondrite Northwest Africa 7325

G. J. Archer, R. J. Walker, A. J. Irving 46th Lunar and Planetary Science Conference (2015), Abstract #1987 PDF LINK

Museo Geominero (Instituto Geológico y Minero de España) in Madrid acquires and exposes slice of Zaragoza meteorite

Madrid’s Museo Geominero (Instituto Geológico y Minero de España) * researcher Pablo Rafael Lozano acquired a slice of the Zaragoza * meteorite for the museum’s collection at the Munich Fair in October 2014. The meteorite…

The ANSMET 2014 / 2015 Field Season ended on 17 January 2015

The ANSMET 2014 / 2015 Field Season ended on 17 January 2015 488 meteorites have been collected

ANSMET 2014 / 2015 Field Season (488 meteorites found so far)

ANSMET 2014 / 2015 Field Season (488 meteorites found so far) 488 meteorites found so far (16th January) 119 meteorites found at a moraine, inofficially called ‘meteorite beach’.

ANSMET 2014 / 2015 Field Season (369 meteorites found so far)

ANSMET 2014 / 2015 Field Season (369 meteorites found so far) 369meteorites found so far (15th January)

7.75 kg mass of Chelyabinsk exhibited in Moscow from January 23, 2015 (updated February 4)

Update (22 January, 23:58 CET): The Chelyabinsk meteorite fragment has arrived in Moscow and arouses interest even before the actual opening of the exhibition on Friday, 23 January. First published January 15 16:00 CET The…

Mineralogy of some evolved LL chondrites with reference to asteroid materials and solar system evolution

Hiroshi Takeda, Hiroshi Nagaoka, Akira Yamaguchi, Yuzuru Karouji, Yuuki Yazawa Earth, Planets and Space 2015, 67:5 doi:10.1186/s40623-014-0167-x PDF LINK LINK (abstract)

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