Results 41 to 50 of about 98,265 (311)

Potential Subsurface Lava Tube Skylight on the Western Flank of Elysium Mons, Mars

The Astronomical Journal
The western flank of Elysium Mons, Mars, hosts a potential cave candidate (PCC) associated with a partially collapsed pit chain, previously identified in the Mars Cave Catalog.
Ravi Sharma, Chunyu Ding, Yan Su, Zhonghan Lei, Changzhi Jiang, Jiangwan Xu, YuXiao Zhi, Zihang Liang, Jiawei Li, Xiaohang Qiu, Haoyu Chen, S. N. A. Jaaffrey, (AAS Journals Data Editors)   +12 more
doaj   +1 more source

Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México

Geofísica Internacional, 1981
Los resultados preliminares de una investigación paleomagnética de estratos miogeosinclinales Triásico Superior-Jurásico Inferior de la Formación Antimonio (localizados en el noroeste de Sonora) permiten determinar una posición polar paleomagnética de 74.
K. K. Cohen, T. H. Anderson, V. A. Schmidt   +2 more
doaj   +1 more source

Simulated east–west differences in F-region peak electron density at Far East mid-latitude region

Earth, Planets and Space, 2020
Using TIME3D-IGGCAS model, we simulated the east–west differences in F-region peak electron density (NmF2) in the Far East mid-latitude region near the longitudinal sectors with very clear zonal variations of geomagnetic declination, and mainly analyzed ...
Zhipeng Ren, Biqiang Zhao, Weixing Wan, Libo Liu, Xing Li, Tingting Yu   +5 more
doaj   +1 more source

A mosaic imaging study of the northern and southern hemispheres of the nearside of the Moon based on the Sanya Incoherent Scatter Radar

地球与行星物理论评, 2021
When ground-based radar and range-Doppler algorithm are used to image the nearside of the Moon, it is inevitable to encounter the problem of "north-south ambiguity".
Mingyuan Li, Yonghui Wang, Hanlin Yin, Xinan Yue, Feng Ding, Lingqi Zeng, Biqiang Zhao, Yong Wei, Baiqi Ning   +8 more
doaj   +1 more source

Planetary geology and terrestrial analogs in Asia

Eos, Transactions American Geophysical Union, 2012
2011 PERC Planetary Geology Field Symposium;Kitakyushu City, Japan, 5–6 November 2011 In spite of the extremely diverse geological settings that exist in Asia, relatively little attention has previously been paid to this region in terms of terrestrial analog studies for planetary application.
KOMATSU, Goro, Namiki N.
openaire   +1 more source

Sea-floor tectonics and submarine hydrothermal systems [PDF]

, 2005
The discovery of metal-depositing hot springs on the sea floor, and especially their link to chemosynthetic life, was among the most compelling and significant scientific advances of the twentieth century. More than 300 sites of hydrothermal activity and
de Ronde, Cornell D. J., Hannington, Mark D., Petersen, Sven   +2 more
core   +1 more source

Exploring the Effect of Production Conditions of Chlorella minutissima on Its Pharmaceutical Potential: A Natural Source for Bioactive Compounds

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In this study, Chlorella minutissima UTEX 234‐1 was produced under 12.43 μmol of photons m−2 s−1 (from the side surface, I1), 23.29 μmol of photons m−2 s−1 (from the top surface, I2), and 62.14 μmol of photons m−2 s−1 (from the top surface, I3) in BG‐11 medium (B1).
Çağla Yarkent, Deniz Şenyay Öncel, Suphi S. Oncel   +2 more
wiley   +1 more source

Leveraging Ceres to Gain Insights into the Candidate Ocean Worlds of Umbriel and Oberon That Orbit Uranus

The Planetary Science Journal
Ceres, located in the asteroid belt, exhibits intriguing parallels with two of the large Uranian satellites: Umbriel and Oberon. These similarities include size, bulk compositions, and dominantly radiogenic internal heat sources.
Jennifer E. C. Scully, C. Adeene Denton, Julie C. Castillo-Rogez, Michael M. Sori, Erin J. Leonard, Chloe Beddingfield, Richard Cartwright, Catherine M. Elder, Karl L. Mitchell, Tom A. Nordheim   +9 more
doaj   +1 more source

Improving the Extraction Ability of Thermospheric Mass Density Variations From Observational Data by Deep Learning

Space Weather, 2023
Understanding the variation of the Thermospheric Mass Density (TMD) is important for solar‐terrestrial physics and applications for spacecraft safety.
Wenbo Li, Libo Liu, Yiding Chen, Zhuowei Xiao, Huijun Le, Ruilong Zhang   +5 more
doaj   +1 more source

Testing the ureilite projectile hypothesis for the El'gygytgyn impact: determination of siderophile element abundances and Os isotope ratios in ICDP drill core samples and melt rocks [PDF]

, 2013
The geochemical nature of the impactites from International Continental Scientific Drilling Project-El'gygytgyn lake drill core 1C is compared with that of impact melt rock fragments collected near the western rim of the structure and literature data ...
Abe, Alvarez, Anderson, Bell, Belyi, Binzel, Bogard, Buchwald, Burbine, Claeys, Collins, Dabizha, Doerffel, Evans, Feldman, Foriel, Gaffey, Gebhardt, Gelinas, Glushkova, Goderis, Goderis, Goderis, Goderis, Govindaraju, Grieve, Gurov, Gurov, Gurov, Gurov, Gurov, Gurov, Hall, Hassler, Heiken, Hutchison, Jenniskens, Kenkmann, Koeberl, Koeberl, Koeberl, Koeberl, Korotev, Kyte, Kyte, Layer, Maier, Marti, McDonald, McDonald, McDonough, Meisel, Meisel, Melles, Melles, Melles, Morgan, Morgan, Nakamura, Nowaczyk, Palme, Palme, Palme, Palme, Palme, Pernicka, Peucker-Ehrenbrink, Pieters, Plessen, Rankenburg, Raschke, Rollinson, Schmidt, Schmidt, Shukolyukov, Sigurdsson, Simonson, Smit, Stone, Tagle, Tagle, Tagle, Tagle, Tagle, Taylor, Trinquier, Va'lter, Warren, Wasson, Wedepohl, Weisberg, Wittmann, Wolf, Yurimoto, Zolensky   +94 more
core   +1 more source