Results 71 to 80 of about 7,944 (214)

Composition of Near-Earth Asteroid 2008 EV5: Potential target for Robotic and Human Exploration

, 2012
We observed potentially hazardous asteroid (PHA) 2008 EV5 in the visible (0.30-0.92 microns) and near-IR (0.75-2.5 microns) wavelengths to determine its surface composition. This asteroid is especially interesting because it is a potential target for two
Benner, Bonnie J. Buratti, Busch, Cloutis, Cushing, Gaffey, Gaffey, Gaffey, Hicks, Kenneth Lawrence, Larson, Lucille Le Corre, Michael Hicks, Michael J. Gaffey, Oke, Ostro, Paul A. Abell, Paul S. Hardersen, Pravec, Rayner, Reddy, Rubin, Sanchez, Shepard, Somers, Vishnu Reddy, Weisberg, Weisberg   +27 more
core   +1 more source

The Fountain Hills meteorite: A new CBa chondrite from Arizona [PDF]

, 2004
We describe a new member of the CR chondrite clan and compare it to other members of this ...
Franchi, I.A., Greenwood, R.G, Killgore, M., Lauretta, D.S., Verchovsky, A.V.   +4 more
core  

Early planetesimal differentiation and late accretion shaped Earth’s nitrogen budget

Nature Communications
The relative roles of protoplanetary differentiation versus late accretion in establishing Earth’s life-essential volatile element inventory are being hotly debated.
Wenzhong Wang, Michael J. Walter, John P. Brodholt, Shichun Huang   +3 more
doaj   +1 more source

Study of the Extraterrestrial Materials at Antarctica, IV. : On the Yamato Meteorites

Antarctic Record, 1974
Additional mineralogical and chemical studies of the Yamato meteorites are under way. The mode analysis and the optical properties in thin sections are examined under a microscope.
Makoto SHIMA, Akihiko OKADA, Masako SHIMA   +2 more
doaj   +1 more source

Guide to the US collection of antarctic meteorites 1976-1988 (everything you wanted to know about the meteorite collection). Antarctic Meteorite Newsletter, Volume 13, Number 1 [PDF]

The state of the collection of Antarctic Meteorites is summarized. This guide is intended to assist investigators plan their meteorite research and select and request samples.
Lindstrom, Marilyn M., Score, Roberta
core   +1 more source

Terrestrial Analogs to Titan for Geophysical Research

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon, Samuel Birch, Audrey Chatain, Charles Cockell, Kendra K. Farnsworth, Peter M. Higgins, Stéphane Le Mouélic, Rosaly M. C. Lopes, Michael J. Malaska, Mohit Melwani Daswani, Kelly E. Miller, Catherine D. Neish, Olaf G. Podlaha, Jani Radebaugh, Lauren R. Schurmeier, Ashley Schoenfeld, Krista M. Soderlund, Anezina Solomonidou, Christophe Sotin, Nicholas A. Teanby, Tetsuya Tokano, Steven D. Vance   +21 more
wiley   +1 more source

Identification of Magnetite in B-type Asteroids

, 2010
Spectrally blue (B-type) asteroids are rare, with the second discovered asteroid Pallas being the largest and most famous example. We conducted a focused, infrared spectroscopic survey of B-type asteroids to search for water-related features in these ...
Adams, Bin Yang, Binzel, Brearley, Bus, Campins, Campins, Clark, Cunningham, David Jewitt, Fernàndez, Gaffey, Green, Hiroi, Hsieh, Hyman, Jewitt, Jewitt, Jewitt, Kasuga, Kojima, Licandro, Mason, McKinley, McSween, Ohtsuka, Rivkin, Tedesco, Tholen, Whipple, Yang, Yang, Zolensky   +32 more
core   +1 more source

A Common Reference Material for Mass‐Dependent Sn Isotope Compositions: An Inter‐Laboratory Calibration Approach

Geostandards and Geoanalytical Research, Volume 50, Issue 2, Page 341-367, June 2026.
Key Points We recommend using the notation δ122/118SnNIST SRM 3161a for mass‐dependent Sn isotope data. We derived conversion factors relative to NIST SRM 3161a for Puri Sn CEZA (0.132 ± 0.011‰), Sn Lyon (0.229 ± 0.016‰), Sn IPGP (0.162 ± 0.018‰). Tin isotope compositions are presented for SPEX CertiPrep Sn and nine USGS reference materials.
Aurélia C.E. Meister, Manuela A. Fehr, Quentin Amet, Gerhard Brügmann, Caroline Fitoussi, Matthias Friebel, Weiqiang Li, Frederic Moynier, Jia‐Xin She, Xueying Wang, Maria Schönbächler   +10 more
wiley   +1 more source

New Paradigms For Asteroid Formation

, 2015
Asteroids and meteorites provide key evidence on the formation of planetesimals in the Solar System. Asteroids are traditionally thought to form in a bottom-up process by coagulation within a population of initially km-scale planetesimals.
Cuzzi, Jeffrey N., Gounelle, Matthieu, Jacquet, Emmanuel, Johansen, Anders, Morbidelli, Alessandro   +4 more
core   +1 more source

Search for Organized Elements in Carbonaceous Chondrites

Science, 1962
Acknowledgment is due the New York Academy of Sciences for permission to publish Figs. 2, 4, 5, and 6 in the report "Search for organized elements in carbonaceous chondrites," by E. Anders and F. W. Fitch [ Science 138, 1392 (28 Dec. 1962)].
E, ANDERS, F W, FITCH
openaire   +3 more sources