Chaos and Stability in Planetary Systems by Rudolf Dvorak, F. Freistetter, Jürgen Kurths

By Rudolf Dvorak, F. Freistetter, Jürgen Kurths

This e-book is meant as an creation to the sphere of planetary platforms on the postgraduate point. It involves 4 vast lectures on Hamiltonian dynamics, celestial mechanics, the constitution of extrasolar planetary platforms and the formation of planets. As such, this quantity is very compatible in case you have to comprehend the tremendous connections among those diverse topics.

Show description

Read or Download Chaos and Stability in Planetary Systems PDF

Best astrophysics & space science books

High-Velocity Clouds

This e-book comprises 17 chapters reviewing our wisdom of the high-velocity clouds (HVCs) as of 2004, bringing this jointly in a single position for the 1st time. all of the many alternative points of HVC learn is addressed by way of one of many specialists in that subfield. those contain a historic evaluation of HVC learn and analyses of the constitution and kinematics of HVCs.

Earth as an evolving planetary system

Earth as an Evolving Planetary process, 3rd version, examines a few of the subsystems that play a task within the evolution of the Earth, together with subsystems within the crust, mantle, middle, surroundings, oceans, and lifestyles. This 3rd version contains 30% new fabric and, for the 1st time, contains complete colour photographs in either the print and digital types.

Alpha Centauri: Unveiling the Secrets of Our Nearest Stellar Neighbor

As our closest stellar better half and composed of 2 Sun-like stars and a 3rd small dwarf superstar, Alpha Centauri is a perfect trying out flooring of astrophysical versions and has performed a important position within the background and improvement of recent astronomy—from the 1st guesses at stellar distances to knowing how our personal megastar, the sunlight, may need developed.

Additional resources for Chaos and Stability in Planetary Systems

Example text

According to (212), (198) can also be written as r c2 =− 3 p 2 r r p (215) c2 √ →c=κ p p (216) ¨ = −κ2 p with κ2 = From (158) and (148) it follows that c2 = n2 a3 p and because of (159) we get (217) 48 Rudolf Dvorak and Florian Freistetter κ2 = n2 a3 = 4π 2 3 a U2 (218) which gives the third law of Kepler: a3i κ2 = 2 Ui 4π 2 (219) where the index i stands now for the i-th body. Comparing equation (215) with (198) shows that the constant κ is in fact the quantity introduced above κ2 = k 2 (M + m) (220) but the actual value of k is still unknown and can only be determined by astronomical observations or experimental measurements.

In the following demonstration we follow closely to the very well book by [64]. The restricted three body problem is defined as follows: • two bodies, named primaries, with the masses m = 0 and µ = 0 move on circular orbits, • a third, massless body m3 = 0 moves in the same plane as the primaries. The restricted three body problem can serve as a good dynamical model for the investigation of many different types of motion in the Solar system and in other planetary systems: 52 Rudolf Dvorak and Florian Freistetter • the motion of an asteroid, with the Sun and Jupiter as primaries, • the motion of a satellite with the Sun and the planet as primaries, • the motion of a comet with the Sun and Jupiter (which is – due to its large mass – the principle perturbing body) as primaries, • the motion of terrestrial planets in extrasolar planetary systems with the star and a large Jupiter-like planet as primaries (or motions in double stars), • ...

13 These are now 3N + R equations for 3N + R unknown functions and therefore the equations can be solved. Equations (82) and (83) are called Lagrange equations of the first kind. 3 Lagrange Equations of Second Kind The Lagrange equations of first kind (82)–(83) were defined only for cartesian coordinates. For R constraints, only f = 3N − R (84) of the 3N cartesian coordinates are independent (f is called the number of degrees of freedom). We now select f generalized coordinates: q1 , q2 , . . , qn (85) The qi have to be chosen in a way that the position of all particles is determined: (86) xn = xn (q1 , q2 , .

Download PDF sample

Rated 4.19 of 5 – based on 50 votes