Results 31 to 40 of about 1,711 (227)

DESTRUCTION OF THE INTERSTELLAR CLOUDS BY THESHOCK WAVES

Odessa Astronomical Publications, 2008
We study the influence of the interstellar cloud structure irregularity on the dynamics of its destruction by a supernova shock wave. It is shown that irregular clouds are destroyed twice quickly as the spherical ones.
E. E. Matvienko, Yu. A. Shchekinov
doaj   +1 more source

PAH under XUV excitation: an ultrafast XUV-photochemistry experiment for astrophysics [PDF]

EPJ Web of Conferences, 2019
Understanding processes induced by XUV excitation of Polycyclic Aromatic Hydrocarbons (PAHs) is at the heart of molecular astrophysics, which aims at understanding molecular evolution in interstellar media. We used ultrashort XUV pulses to produce highly
Hervé M., Castellanos P., Karras G., Despré V., Marciniak A., Constant E., Loriot V., Kuleff A.I., Tielens A. G. G. M., Lépine F.   +9 more
doaj   +1 more source

INTERSTELLAR DUST AS A DYNAMIC ENVIRONMENT

CONTRIBUTED PAPERS & ABSTRACTS of INVITED LECTURES, TOPICAL INVITED LECTURES and PROGRESS REPORTS: 32nd SUMMER School and International Symposium on the Physics of Ionized Gases
13 pages, 5 figures, accepted for publication on Special Issue of Advances in Space ...
La Mura, G., Mulas, G., Iatì, M. A., Cecchi-Pestellini, C., Rezaei, S., Saija, R.   +5 more
openaire   +2 more sources

Physical and Dynamical Conditions in Interstellar Clouds [PDF]

Symposium - International Astronomical Union, 1980
The most far-reaching result to come from the study of interstellar molecules has been the recognition of a new class of galactic structures - molecular clouds. These clouds appear to contain most of the mass of the interstellar medium and are the objects from which new stars are formed.
openaire   +1 more source

Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions

Journal of Field Robotics, EarlyView.
ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos, Steven Kay, Julia Wajoras, Robert Field, Evridiki V. Ntagiou, Fakher Mohammad, Yang Gao   +6 more
wiley   +1 more source

Where Does the Energy Go during the Interstellar NH3 Formation on Water Ice? A Computational Study

The Astrophysical Journal, 2023
In the coldest (10–20 K) regions of the interstellar medium, the icy surfaces of interstellar grains serve as solid-state supports for chemical reactions.
Stefano Ferrero, Stefano Pantaleone, Cecilia Ceccarelli, Piero Ugliengo, Mariona Sodupe, Albert Rimola   +5 more
doaj   +1 more source

DYNAMICALLY DRIVEN EVOLUTION OF THE INTERSTELLAR MEDIUM IN M51 [PDF]

The Astrophysical Journal, 2009
We report the highest-fidelity observations of the spiral galaxy M51 in CO emission, revealing the evolution of giant molecular clouds (GMCs) vis-a-vis the large-scale galactic structure and dynamics. The most massive GMCs (so-called GMAs) are first assembled and then broken up as the gas flow through the spiral arms.
Koda, Jin, Scoville, Nick, Sawada, Tsuyoshi, La Vigne, Misty A., Voguel, Stuart N., Potts, Ashley E., Carpenter, John M., Corder, Stuartt A., Wright, Melvyn C. H., White, Stephen M., Zauderer, B. Ashley, Patience, Jenny, Sargent, Anneila I., Bock, Douglas C.-J., Hawkins, David, Hodges, Mark, Kemball, Athol, Lamb, James W., Plambeck, Richard L., Pound, Marc W., Scott, Stephen L., Teuben, Peter, Woody, David P.   +22 more
openaire   +3 more sources

Data Sharing and Information Security Under the Software‐Defined Network

IET Networks, Accepted Article.
To sum up, the big data sharing platform based on SDN can quickly and effectively respond to the data requests of end users, and the information security protection system can detect the platform in real time to prevent it from being intruded and damaged, which largely protects the information security of the platform." cd_value_code="text Abstract ...
Jianqiao Sheng, Yuan Fang, Ming Li, Liang Zhang, Jingxuan Xu, Xin Ding   +5 more
wiley   +1 more source

Tracing Magnetic Fields with the Gradient Technique: Spatial Filtering Effect and Use of Interferometers

The Astrophysical Journal
Probing magnetic fields in astrophysical environments is both important and challenging. The Gradient Technique (GT) is a new tool for tracing magnetic fields, rooted in the properties of magnetohydrodynamic (MHD) turbulence and turbulent magnetic ...
Yue Hu, A. Lazarian
doaj   +1 more source

Open problems and perspectives offered by current and future instruments

EPJ Web of Conferences, 2012
We summarize recent observational and theoretical results and discuss the open challenges for astrochemistry and the promises offered by the current and upcoming instruments. Some of the main challenges are listed below. Characterization of the structure
Gérin M.
doaj   +1 more source