Results 31 to 40 of about 33,171 (317)
Co-accretion + Giant Impact Origin of the Uranus System: Post-impact Evolution
Astrophysical Journal, 2022 We investigate aspects of the co-accretion + giant impact scenario proposed by Morbidelli et al. (2012) for the origin of the Uranian satellites. In this model, a regular satellite system formed during gas accretion is impulsively destabilized by a ...
J. Salmon, R. Canup
semanticscholar +1 more source
Modern Astronomy in Ottoman Madrasa Circles in the First Half of the 19th Century [PDF]
Nazariyat: Journal for the History of Islamic Philosophy and Sciences, 2021 The use of telescopes for scientific purposes has significantly changed our knowledge of the structure of the Solar System. By the mid-19th century, two new planets, a dozen asteroids, and dozens of satellites had been added to the five planets known ...
Orhan Güneş
doaj +1 more source
Guiding light by and beyond the total internal reflection mechanism [PDF]
, 2005 This thesis reports a series of techniques the author has developed to model various waveguiding structures, including the conventional planar and channel waveguides working by, and the advanced structures working beyond the TIR mechanism.
Uranus, Henri Putra
core +18 more sources
Tilting Uranus via Secular Spin-Orbit Resonance with Planet 9 [PDF]
Planet. Sci. J. 3 221 (2022), 2022 Uranus' startlingly large obliquity of 98 degrees has yet to admit a satisfactory explanation. The most widely accepted hypothesis involving a giant impactor that tipped Uranus onto its side encounters several difficulties with regards to the Uranus' spin rate and its prograde satellite system. An obliquity increase that was driven by capture of Uranus
arxiv +1 more source
The interiors of Uranus and Neptune: current understanding and open questions [PDF]
Philosophical Transactions of the Royal Society A, 2020 Uranus and Neptune form a distinct class of planets in our Solar System. Given this fact, and ubiquity of similar-mass planets in other planetary systems, it is essential to understand their interior structure and composition.
R. Helled, J. Fortney
semanticscholar +1 more source
Learning to become ignorant: Improving the quality of epistemic knowledge in science education
Science Education, Volume 107, Issue 1, Page 9-27, January 2023., 2023 Abstract In considering goals for science education, it is conventional to make arguments for the utility of scientific knowledge for a variety of purposes. Less prominent are rationales based on the beauty or truth of science. In this paper, we examine how an approach to science education might be different if we shift the goals of communication to an
Michael Tan, Teck Seng Koh
wiley +1 more source
A Numerical Investigation of the Berg Feature on Uranus as a Vortex-Driven System
Atmosphere, 2020 The Berg cloud feature in the atmosphere of Uranus was first identified as a persistent grouping of clouds located just off the bright South Polar Collar at a latitude of around −34 degrees.
Raymond LeBeau +4 more
doaj +1 more source
Neptune and Uranus: ice or rock giants? [PDF]
Philos Trans A Math Phys Eng Sci, 2020 Existing observations of Uranus and Neptune’s fundamental physical properties can be fitted with a wide range of interior models. A key parameter in these models is the bulk rock:ice ratio and models broadly fall into ice-dominated (ice giant) and rock ...
Teanby NA +3 more
europepmc +2 more sources
Comparative Study on Planetary Magnetosphere in the Solar System
Sensors, 2020 The magnetospheric responses to solar wind of Mercury, Earth, Jupiter and Uranus are compared via magnetohydrodynamic (MHD) simulations. The tilt angle of each planetary field and the polarity of solar wind are also considered.
Ching-Ming Lai, Jean-Fu Kiang
doaj +1 more source
, 2022 Uranus provides a unique laboratory to test current understanding of planetary atmospheres under extreme conditions. Multi-spectral observations from Voyager, ground-based observatories, and space telescopes have revealed a delicately banded atmosphere punctuated by storms, waves, and dark vortices, evolving slowly under the seasonal influence of ...
Fletcher, Leigh N., Fletcher, Leigh N.
openaire +2 more sources