Results 101 to 110 of about 427,113 (273)
Do the Antennas of DEMETER Spacecraft Detect Dust Impacts?
Abstract This study investigates pulses detected by the electric field instrument, ICE (Instrument Champ Electrique) onboard the DEMETER spacecraft. Using an automated identification algorithm, we identified 1,000 short pulses recorded in 2005 and 2010. The spatial distribution of these signals, primarily localized over South America and near the South
Samia Ijaz+3 more
wiley +1 more source
Interrelationships between interstellar and interplanetary grains [PDF]
The relationship between solar system dust (SSD) and interstellar dust particles (ISMD) is being reconsidered because of the discovery of isotopic anomalies in meteorites.
Clayton, D. D.
core +2 more sources
Life Cycle of Dust in the Magellanic Clouds and the Milky Way
To a great extent, our understanding of the life cycle of dust is based on the observational and theoretical studies of the Milky Way and the Magellanic Clouds, which will be the topic of this contribution. Over past years, a large volume of observations
Henning, Thomas, Zhukovska, Svitlana
core +1 more source
SOFIA Observations of 30 Doradus. II. Magnetic Fields and Large-scale Gas Kinematics
The heart of the Large Magellanic Cloud, 30 Doradus, is a complex region with a clear core-halo structure. Feedback from the stellar cluster R136 has been shown to be the main source of energy creating multiple parsec-scale expanding-shells in the outer ...
Le Ngoc Tram+15 more
doaj +1 more source
NEW ULTRAVIOLET EXTINCTION CURVES FOR INTERSTELLAR DUST IN M31 [PDF]
New low-resolution UV spectra of a sample of reddened OB stars in M31 were obtained with the Hubble Space Telescope/STIS to study the wavelength dependence of interstellar extinction and the nature of the underlying dust grain populations.
G. Clayton+6 more
semanticscholar +1 more source
In the interstellar medium of the Milky Way, certain elements -- e.g., Mg, Si, Al, Ca, Ti, Fe -- reside predominantly in interstellar dust grains. These grains absorb, scatter, and emit electromagnetic radiation, heat the interstellar medium by photoelectric emission, play a role in the ionization balance of the gas, and catalyze the formation of ...
openaire +2 more sources
Evolution of interstellar dust and stardust in the solar neighbourhood
The abundance evolution of interstellar dust species originating from stellar sources and from condensation in molecular clouds in the local interstellar medium of the Milky Way is studied and the input of dust material to the Solar System is determined.
Akerman+158 more
core +1 more source
Multi‐isotope (N, O, Ti, and Cr) study of C1 and CM‐like clasts—Probing unsampled C1 material
Abstract A multi‐element isotope (N, O, Ti, and Cr) study was conducted on C1 and CM‐like clasts hosted in achondrites and chondrite breccias to understand the genesis of these chondritic clasts. The mineralogy, O, and N isotopes confirm that CM‐like clasts in howardites and polymict eucrites closely resemble CM chondrite‐like material.
Markus Patzek+9 more
wiley +1 more source
We present basic theoretical constraints on the effects of destruction by supernovae (SNe) and growth of dust grains in the interstellar medium (ISM) on the radial distribution of dust in late-type galaxies.
Anja C. Andersen+62 more
core +1 more source
The Near-infrared Extinction Law at High and Low Galactic Latitudes
The Milky Way dust extinction curve in the near-infrared (NIR) follows a power-law form, but the value of the slope, β _NIR , is debated. Systematic variations in the slope of the Milky Way UV extinction curve are known to be correlated with variations ...
Robert E. Butler, Samir Salim
doaj +1 more source