Results 11 to 20 of about 6,767,247 (161)

Capabilities of ARIANNA: Neutrino Pointing Resolution and Implications for Future Ultra-high Energy Neutrino Astronomy

International Conference on Rebooting Computing, 2021
A radio-frequency polarization measurement by the ARIANNA surface station was performed using a residual hole from the South Pole Ice Core (SPICEcore) Project.
S. Barwick, Geoffrey Gaswint For The Arianna Collaboration, Geoffery Gaswint For The Arianna Collaboration, A. Anker, P. Baldi, S. Barwick, J. Beise, Hans Bernhoff, Dave Z. Besson, Nils Bingefors, M. Cataldo, Pi-Sin Chen, Daniel García Fernández, G. Gaswint, Christian Glaser, A. Hallgren, S. Hallmann, J. Hanson, S. Klein, S. Kleinfelder, R. Lahmann, Jia-Yi Liu, M. Magnuson, S. McAleer, Z. Meyers, J. Nam, A. Nelles, A. Novikov, M. P. Paul, C. Persichilli, I. Plaisier, L. Pyras, R. Rice-Smith, J. Tatar, Shih-Hao Wang, C. Welling, Leshan Zhao   +36 more
semanticscholar   +1 more source

Multilingual performance of a multimodal artificial intelligence system on multisubject physics concept inventories

Physical Review Physics Education Research
We investigate the multilingual and multimodal performance of a large language model-based artificial intelligence (AI) system, GPT-4o, using a diverse set of physics concept inventories spanning multiple languages and subject categories. The inventories,
Gerd Kortemeyer, Marina Babayeva, Giulia Polverini, Ralf Widenhorn, Bor Gregorcic   +4 more
doaj   +2 more sources

Joe Pawsey and the Founding of Australian Radio Astronomy [PDF]

, 2023
This open access book is a biography of Joseph L. Pawsey. It examines not only his life but the birth and growth of the field of radio astronomy and the state of science itself in twentieth century Australia.
Ekers, Ronald D., Hooker, Claire, Goss, W. M.   +2 more
core   +1 more source

New Measurement of the Vertical Atmospheric Density Profile From Occultations of the Crab Nebula With X‐Ray Astronomy Satellites Suzaku and Hitomi [PDF]

Journal of Geophysical Research - Space Physics, 2020
We present new measurements of the vertical density profile of the Earth's atmosphere at altitudes between 70 and 200 km, based on Earth occultations of the Crab Nebula observed with the X‐ray Imaging Spectrometer onboard Suzaku and the hard X‐ray Imager
S. Katsuda, H. Fujiwara, Y. Ishisaki, Y. Maeda, K. Mori, Y. Motizuki, Kosuke Sato, M. Tashiro, Y. Terada   +8 more
semanticscholar   +1 more source

A novel algorithm for extracting frequent gradual patterns

Machine Learning with Applications, 2021
The extraction of frequent gradual pattern is an important problem in computer science and largely studied by the scientist’s community of research in data mining. A frequent gradual pattern translates a recurrent co-variation between the attributes of a
Tayou Djamegni Clémentin, Tabueu Fotso Laurent Cabrel, Kenmogne Edith Belise   +2 more
doaj   +1 more source

Astronomy and Climate-Earth System: Can Magma Motion under Sun-Moon Gravitation Contribute to Paleoclimatic Variations and Earth’s Heat? [PDF]

Advances in Astronomy, 2015
Paleoclimate data have yielded variations with periods of ~23, ~40, and ~100 ky. Thermodynamic changes resulting from orbital eccentricity, obliquity, and precession have been ascribed as the cause of the variations although processes within the oceans and atmosphere may have too short memory to explain such variations.
Zhiren Joseph Wang, Xiaopei Lin
openaire   +2 more sources

Characteristics of Horizontal Winds in the Mesosphere and Lower Thermosphere Region over Korean Peninsula Observed from the Korea Astronomy and Space Science Institute Meteor Radar

Journal of Astronomy & Space Sciences, 2021
We present for the first time the characteristics of upper atmospheric horizontal winds over the Korean Peninsula. Winds and their variability are derived using four-year measurements by the Korea Astronomy and Space Science Institute (KASI) meteor ...
H. Kam, Y. Kwak, Tae-Yong Yang, Y. Kim, Jeongheon Kim, Jaewook Lee, Seonghwan Choi, J. Baek   +7 more
semanticscholar   +1 more source

The Meaning of ‘Secular’ as a Scientific Concept

Secularism and Nonreligion, 2020
The meaning of ‘secular’ in the scientific use of ‘secular trend’, ‘secular variation’, and similar terms is a topic that merits historical investigation.
John Shook
doaj   +1 more source

DETERMINE THE EFFECTIVE PARAMETERS IN GRAVITATIONAL LENSES AND STUDY THE ALTERNATIVE EFFECTS BETWEEN THEM [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2012
The importance of the gravitational lens in cosmology and astronomy, and a brief historical review for the evolution of the gravitational lenses have been introduced.
S. A.AL-SABAAWE, M. A.AL-OBAYDE
doaj   +1 more source

Open skies: the National Radio Astronomy Observatory and its impact on US radio astronomy [PDF]

, 2020
This open access book on the history of the National Radio Astronomy Observatory covers the scientific discoveries and technical innovations of late 20th century radio astronomy with particular attention to the people and institutions involved.
Kellermann, Kenneth I., Bouton, Ellen N., Bouton, Ellen N, Kellermann, Kenneth I, Brandt, Sierra S, Brandt, Sierra S.   +5 more
core   +1 more source