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Aspects of our Solar System's formation are deduced from observations of the chemical nature of matter. Massive cores are indicative of terrestrial-planet-composition-similarity to enstatite chondrite meteorites, whose highly-reduced state…

Astrophysics · Physics 2007-05-23 J. Marvin Herndon

Planetary systems have their origin in the gravitational collapse of a cloud of gas and dust. Through a process of accretion, is formed a massive star and a disk of planetesimals orbiting the star. Using a formalism analogous to quantum…

Earth and Planetary Astrophysics · Physics 2015-01-20 N. Poveda T. , N. Vera-Villamizar. , N. Y. Buitrago C

Orbital systems are often self-organized and/or characterized by harmonic relations. Inspired by music theory, we rewrite the Geddes and King-Hele (QJRAS, 24, 10-13, 1983) equations for mirror symmetries among the distances of the planets…

Popular Physics · Physics 2022-02-09 Michael J. Bank , Nicola Scafetta

A surprisingly large amount of information on our solar system can be gained from simple measurements of the apparent angular diameters of the sun and the moon. This information includes the average density of the sun, the distance between…

Physics Education · Physics 2009-11-10 K. Capelle

The Rutherford planetary model of a proton-electron atom is modified. Besides the Coulomb interaction of the point electron with the proton, its strong Coulomb interaction with the physical vacuum as well as the magnetic interaction between…

General Physics · Physics 2011-04-18 R. Fedaruk

Extrasolar super-Earths (1-10 M$_{\earth}$) are likely to exist with a wide range of atmospheres. Some super-Earths may be able to retain massive hydrogen-rich atmospheres. Others might never accumulate hydrogen or experience significant…

Astrophysics · Physics 2008-12-18 E. Miller-Ricci , D. Sasselov , S. Seager

Semiclassical oscillation of the electron through the nucleus of the H atom yields both the exact energy and the correct orbital angular momentum for l=0 quantum states. Similarly, electron oscillation through the nuclei of H2+ accounts for…

History and Philosophy of Physics · Physics 2007-05-23 Manfred Bucher

For a given solar magnetic field, the near-Sun (phase-space) density of cosmic ray electrons and positrons of energy above about 10GeV can be calculated from first principles, without any assumptions about the cosmic ray diffusion. This is…

High Energy Astrophysical Phenomena · Physics 2013-04-22 Andrei Gruzinov

Magnetic activity of the Sun and other stars causes their brightness to vary. We investigate how typical the Sun's variability is compared to other solar-like stars, i.e. those with near-solar effective temperatures and rotation periods. By…

Normally one thinks of the motion of the planets around the Sun as a highly classical phenomenon, so that one can neglect quantum gravity in the Solar System. However, classical chaos in the planetary motion amplifies quantum uncertainties…

High Energy Physics - Theory · Physics 2011-01-25 Don N. Page

Repulsive interactions between neutrons in compact stellar cores cause luminosity and a steady outflow of hydrogen from stellar surfaces. Neutron repulsion in more massive compact objects made by gravitational collapse produces violent,…

Nuclear Theory · Physics 2007-05-23 O. Manuel , Michael Mozina , Hilton Ratcliffe

We examine recent astronomical data to assess whether the sun and Solar System possess anomalous properties compared to other stars and exoplanetary systems, providing context for astrobiology research. Utilising data primarily from large…

Solar and Stellar Astrophysics · Physics 2025-07-15 Guillermo Gonzalez

We study the capture of galactic dark matter particles in the Solar System produced by rotation of Jupiter. It is shown that the capture cross section is much larger than the area of Jupiter orbit being inversely diverging at small particle…

Earth and Planetary Astrophysics · Physics 2013-02-26 J. Lages , D. L. Shepelyansky

The Sun operates like a giant plasma diffuser that sorts lighter isotopes and elements to the solar surface. Measurements indicate that the interior of the Sun consists mostly of the same seven, even-numbered elements as ordinary…

Astrophysics · Physics 2007-05-23 O. Manuel

With the availability of considerably more data, we revisit the question of how special our Solar System is, compared to observed exoplanetary systems. To this goal, we employ a mathematical transformation that allows for a meaningful,…

Earth and Planetary Astrophysics · Physics 2015-09-16 Rebecca G. Martin , Mario Livio

We study the capture of galactic dark matter by the Solar System. The effect is due to the gravitational three-body interaction between the Sun, one of the planets, and a dark matter particle. The analytical estimate for the capture…

Solar and Stellar Astrophysics · Physics 2009-12-17 I. B. Khriplovich , D. L. Shepelyansky

We perform time-dependent analysis of quantum dynamics of dark matter particles in the Solar System. It is shown that this problem has similarities with a microwave ionization of Rydberg atoms studied previously experimentally and…

Quantum Physics · Physics 2018-08-14 D. L. Shepelyansky

I review constraints on solar system-bound dark matter, and discuss the possibility that dark matter could be gravitationally bound to the earth and other planets. I briefly survey various empirical constraints on such planet-bound dark…

Earth and Planetary Astrophysics · Physics 2009-04-06 Stephen L. Adler

As the powerhouse of our solar system, the Sun's electromagnetic planetary influences appear contradictory. On the one hand, the Sun for aeons emitted radiation which was "just right" for life to evolve in our terrestrial Goldilocks zone,…

Earth and Planetary Astrophysics · Physics 2022-05-10 Philip Gordon Judge