Estimating the Parameters of Extended Gravity Theories with the Schwarzschild Precession of S2 Star [PDF]
Universe, 2021 After giving a short overview of previous results on constraining of Extended Gravity by stellar orbits, we discuss the Schwarzschild orbital precession of S2 star assuming the congruence with predictions of General Relativity (GR). At the moment, the S2
D. Borka +4 more
semanticscholar +1 more source
Thermoelectric precession in turbulent magnetoconvection [PDF]
Journal of Fluid Mechanics, 2021 We present laboratory measurements of the interaction between thermoelectric currents and turbulent magnetoconvection. In a cylindrical volume of liquid gallium heated from below and cooled from above and subject to a vertical magnetic field, it is found
Yufan Xu, S. Horn, J. Aurnou
semanticscholar +1 more source
Late Pleistocene 100-kyr glacial cycles paced by precession forcing of summer insolation
Nature Geoscience, 2023 Climate variability over the past 800,000 years has long been described as being dominated by ~100-kyr glacial cycles, and researchers have debated whether these glacial cycles were driven by Earth’s orbital cycles of eccentricity, obliquity and ...
B. Hobart +4 more
semanticscholar +1 more source
Experimental model for the description of the behaviour of a 9-mm projectile at a target
Forensic Sciences Research, 2021 Analysis of crime scenes involving single-fire-gun projectiles requires the determination of the direction of arrival of a projectile at the target and other factors to reconstruct events.
Patricia Morales-Vega +3 more
doaj +1 more source
Persistent influence of precession on northern ice sheet variability since the early Pleistocene
Science, 2022 Prior to ~1 million years ago (Ma), variations in global ice volume were dominated by changes in obliquity; however, the role of precession remains unresolved. Using a record of North Atlantic ice rafting spanning the past 1.7 million years, we find that
S. Barker +11 more
semanticscholar +1 more source
Periodic Fast Radio Bursts with Neutron Star Free Precession [PDF]
Astrophysical Journal, 2020 The CHIME/FRB collaboration recently reported the detection of a 16 day periodicity in the arrival times of radio bursts from FRB 180916.J0158+65. We study the possibility that the observed periodicity arises from free precession of a magnetized neutron ...
J. J. Zanazzi, Dong Lai, Dong Lai
semanticscholar +1 more source
Griffin and Hero-Deer in cosmological composition, as practical model of social development of ancient societies, on example of Pazyryk carpet (V century BC) [PDF]
Archaeoastronomy and Ancient Technologies, 2013 The Eurasian tradition in general and, in particular, in the Scythian outlook, reveal two astral tradition of constructing social relations, by analogy with the observed picture of the sky, which is reflected in the monuments of visual culture.
Polyakova, O.O.
doaj +1 more source
Analyzing the Motion of Symmetric Tops Without Recurring to Analytical Mechanics
Frontiers in Physics, 2020 Characterizing the dynamics of heavy symmetric tops is essential in several fields of theoretical and applied physics. Accordingly, a series of approaches have been developed to describe their motion.
Zsolt I. Lázár +3 more
doaj +1 more source
Twenty characters long account of the Mayan among the constellations [PDF]
Archaeoastronomy and Ancient Technologies, 2013 This paper is devoted to the study of astronomical twenty characters long count calendar of the Maya and their compliance with generally accepted modern constellations and zodiac signs.
Polyakova, O.O.
doaj +1 more source
Open Quaternary, 2022 “'Orbital, the Box”' provides an interactive tool with graphical user interface (GUI) for stimulating active, visual learning for understanding of astronomical climate forcing.
Bryan C. Lougheed
doaj +1 more source