Results 81 to 90 of about 269,247 (211)

Cometary micrometeorites and input of prebiotic compounds

BIO Web of Conferences, 2014
The apparition of life on the early Earth was probably favored by inputs of extraterrestrial matter brought by carbonaceous chondrite-like objects or cometary material. Interplanetary dust collected nowadays on Earth is related to carbonaceous chondrites
Engrand C.
doaj   +1 more source

Cometary evolution : Clues from chondritic interplanetary dust particles

, 1987
Cometary and interplanetary dust particles (IDP) are compared, and the mineralogical evolution of comet nuclei is discussed. Chondritic IDP have properties consistent with properties expected for cometary dust.
Rietmeijer, Frans J.M., Mackinnon, I.D.R.   +1 more
core  

SNOW COVER OF THE CENTRAL ANTARCTICA (VOSTOK STATION) AS AN IDEAL NATURAL TABLET FOR COSMIC DUST COLLECTION: PRELIMINARY RESULTS ON THE IDENTIFICATION OF MICROMETEORITES OF CARBONACEOUS CHONDRITE TYPE

Лëд и снег, 2015
During the 2010/11 season nearby the Vostok station the 56th Russian Antarctic Expedition has collected surface snow in a big amount from a 3 m deep pit using 15 220 L vol. containers (about 70 kg snow each).
E. S. Bulat, V. A. Celmovich, J.-R. Petit, I. M. Gindilis, S. A. Bulat   +4 more
doaj   +1 more source

Momentum transfer to interplanetary dust from the solar wind

, 2004
Solar-wind particles striking dust grains in orbit around the sun exert not only a repulsive force on the grains, but also a drag force, called the plasma or pseudo Poynting-Robertson (PR) effect, which limits their dynamical lifetimes.
T. Minato, M. Köhler, I. Mann, T. Yamamoto, H. Kimura   +4 more
core   +1 more source

Impact risk from the circumsolar dust ring on Venus’s orbit

Astronomy & Astrophysics
Context. A circumsolar dust ring on Venus’s orbit was discovered following observations by the Helios spacecraft and then confirmed thanks to observations by STEREO and the Parker Solar Probe.
Courtot Ariane, Millinger Mark
doaj   +1 more source

Coherent interdecadal cycles in global rainfall, temperature, and cloud cover with alignment to Jovian orbital periods

Environmental Research Letters
Interdecadal cycles repeatedly appear in global climate variables such as rainfall, temperature, and the climate modes, yet their origin remains unresolved and is most often attributed either to quasi-periodic artefacts of internal climate variability ...
Tobias F Selkirk, Andrew W Western, J Angus Webb   +2 more
doaj   +1 more source

Planetary Science Decadal Survey White Paper: Interplanetary Dust

, 2009
International audienceThe goal of the interplanetary dust decadal survey white paper is to define the main questions facing the field over the next 10 years and determine what focus of reasearch, technology, and mission resources will best address these ...
Liou, J. G., Hedman, Matthew M., Madsen, G., Krüger, H., Campins, Humberto, Vaubaillon, Jérémie, Weaver, Harold A., Dermott, S., Lisse, Carey M., Sykes, M., Drolshagen, G., Kortenkamp, S., Grün, Eberhard, Mays, B. J., Close, S., Nesvorny, David, Russell, C., Espy, Ashley J., Trigo-Rodriguez, Josep M., Horanyi, M., Hamilton, D. C., Kehoe, T., Mann, Ingrid, Reach, William T., Zolensky, M., Blum, J., Srama, Ralf, Cooke, W., Altobelli, Nicolas, Meyer, Nicole, Kuchner, Marc, Palumbo, Pasquale, Jenniskens, Peter, Graps, A., Brownlee, D.   +34 more
core   +1 more source

Electrostatic Modeling of Dust Impact Signals Based on the Expanding Plasma Cloud

The Astrophysical Journal
Signals generated by dust impacting spacecraft can be detected by electric field instruments. These signals have been simulated by numerous models. However, few models can accurately characterize the expansion of the plasma cloud generated by dust impact.
Han Wu, Shengyi Ye, Tao Chen, Jian Wang, Guangzhou Wang   +4 more
doaj   +1 more source

Q-gases in a late-forming refractory interplanetary dust particle: A link to comet Wild 2. [PDF]

Geochim Cosmochim Acta, 2020
Ogliore RC, Palma RL, Stodolna J, Nagashima K, Pepin RO, Schlutter DJ, Gainsforth Z, Westphal AJ, Huss GR.   +8 more
europepmc   +1 more source

Inferring the interplanetary dust properties

, 2007
Since in situ studies and interplanetary dust collections only provide a spatially limited amount of information about the interplanetary dust properties, it is of major importance to complete these studies with properties inferred from remote ...
Lasue, Jérémie, Levasseur-Regourd, Anny Chantal, Cottin, Hervé, N. Fray, Fray, Nicolas, J. Lasue, A. C. Levasseur-Regourd, H. Cottin   +7 more
core   +1 more source