Rossby Waves, and Planetary Nebulae.

Joe Lovick,

Introduction

There are strong physical similarities between planetary fluids and Nebular fluids, High Reynolds number, low Rossby numbers, non-zero ß parameters and thin fluids, so it is not an outlandish consideration that maybe similar wave solutions could be found in the different settings.

Now as to how you form your perturbation that causes the wave is a matter of, some controversy at present, on the earth a system of turbulence magnification can be invoked, however the presence of turbulence in nebula is still a matter contention.

If one considers what is known as a Standard Disk Nebula, which is characterized in having a large disk of gas, with about 1% of the entrained gas being gravitationally bound to a large Mass in the middle.

In such a system temperatures vary from 1000Kº in the center to 50Kº at the edge, and the self-gravitation of the out layers can, be reasonably be ignored. Gas pressures are going to be very low, and significantly less than an atmosphere in even the highest-pressure regions. The thickness is presumed to be on the order of 10-100 times less than the radius.

Rossby Waves, and Planetary Nebulae.

Joe Lovick,

Introduction

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