Results 41 to 50 of about 135,058 (169)

Multi‐isotope (N, O, Ti, and Cr) study of C1 and CM‐like clasts—Probing unsampled C1 material

Meteoritics &Planetary Science, Volume 60, Issue 5, Page 1073-1094, May 2025.
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, Yogita Kadlag, Miriam Rüfenacht, Evelyn Füri, Andreas Pack, Addi Bischoff, Harry Becker, Robbin Visser, Timm John, Maria Schönbächler   +9 more
wiley   +1 more source

Magnetic Field of a Ring-like Molecular Cloud

The Astronomical Journal
We present a detailed study of the magnetic field structure in the G111 molecular cloud, a ring-like filamentary cloud within the NGC 7538 region. Our analysis combines multiwavelength polarization data and molecular-line observations to investigate the ...
Dana Alina, Adel Umirbayeva, Yasuo Doi, Soichiro Jo, Yue Hu, Alex Lazarian, Janik Karoly, Tie Liu, Koji S. Kawabata, Alua Mukhash, Danial Zhumagayir, Tomori Hori, Tetsuharu Maruta, Ryo Imazawa, Tatsuya Nakaoka, Mahito Sasada   +15 more
doaj   +1 more source

Interstellar Filament Detection and Characterization: Methods and Implications for Studies of the Magnetized Interstellar Medium

Galaxies
Filamentary structures are ubiquitous in the interstellar medium and play a key role in the evolution of molecular clouds and star formation. Their morphology and relative orientation with respect to magnetic fields have been widely used as a diagnostic ...
Dana Alina
doaj   +1 more source

Structure and Kinematics of Sh2-138—A Distant Hub-filament System in the Outer Galactic Plane

The Astrophysical Journal, 2023
We present a molecular line study of the Sh2-138 (IRAS 22308+5812) hub-filament system with the aim of investigating its structure and kinematics. Archival CO molecular line data from the Canadian Galactic Plane Survey (CO( J = 1–0)) for the wider region
Kshitiz K. Mallick, Lokesh K. Dewangan, Devendra K. Ojha, Tapas Baug, Igor I. Zinchenko   +4 more
doaj   +1 more source

Characterization of the Micro‐Morphology and Compositional Distribution of Chang'e‐5 Lunar Soil Mineral Surfaces Using TOF‐SIMS

Advanced Science, Volume 12, Issue 11, March 20, 2025.
Lunar soil samples from Chang'e 5 are characterized by high‐resolution time‐of‐flight secondary ion mass spectrometry, which revealed uncommon vesicle patterns that may not be observed via the conventional scanning electron microscope with energy dispersive X‐ray.
Tinglu Song, Jie Liu, Chunlin Zhang, Xinyu Yang, Taiyang Chen, Shunzi Jiang, Fan Xu, Ning Li, Menghua Zhu, Shaolin Li, Meishuai Zou   +10 more
wiley   +1 more source

B-fields and Dust in Interstellar Filaments Using Dust Polarization (BALLAD-POL). IV. Grain Alignment Mechanisms in the Cocoon Nebula (IC 5146) Using Polarization Observations from JCMT/POL-2

The Astrophysical Journal
The polarization of starlight and thermal dust emission from aligned nonspherical grains provides a powerful tool for tracing magnetic field morphologies and strengths in the diffuse interstellar medium to star-forming regions, and constraining the ...
Saikhom Pravash, Thiem Hoang, Archana Soam, Eun Jung Chung, Diep Ngoc Pham, Nguyen Bich Ngoc, Le Ngoc Tram   +6 more
doaj   +1 more source

Advances on the Links Between Turbulent and Submeso‐ to Mesoscales During EUREC4A

Earth and Space Science, Volume 12, Issue 2, February 2025.
Abstract Turbulent processes in the atmospheric boundary layer (ABL) are parameterized in numerical weather prediction and climate models. Better understanding their modulation by larger‐scale organized structures, some of them being represented explicitly, is thus of great interest.
E. Gauvrit, M.‐N. Bouin, J.‐M. Delouis, F. Boulanger   +3 more
wiley   +1 more source

Merging, fragmentation and collapse of interstellar filaments [PDF]

, 2023
Sterne haben die Menschen schon seit jeher fasziniert und Beobachtungen zeigten bereits vor Jahrzehnten, dass leichte Sterne filamentartigen Strukturen entspringen.
Hoemann, Elena
core   +1 more source

Magnetically Aligned Striations in the L914 Filamentary Cloud

The Astronomical Journal
We present CO( J = 1–0) multiline observations toward the L914 dark cloud in the vicinity of the Cygnus X region, using the 13.7 m millimeter telescope of the Purple Mountain Observatory.
Li Sun, Xuepeng Chen, Min Fang, Shaobo Zhang, Yan Gong, Jiancheng Feng, Xuefu Li, Qing-Zeng Yan, Ji Yang   +8 more
doaj   +1 more source

Das zirkumgalaktische Medium

Physik in unserer Zeit, Volume 56, Issue 1, Page 30-37, January 2025.
Galaxien wie die Milchstraße sind umhüllt von einem gigantischen Kokon aus diffusem Gas. Aktuelle Forschungsergebnisse belegen, dass dieses zirkumgalakische Medium eine entscheidende Rolle für die Entstehung und Entwicklung von Galaxien spielt. Zusammenfassung Als zirkumgalaktisches Medium bezeichnet man die gasförmigen Hüllen von Galaxien, die sich ...
Philipp Richter
wiley   +1 more source