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http://www.mso.anu.edu.au/pfrancis/phys1101/Lectures/L09/newplanets.py.
http://www.mso.anu.edu.au/pfrancis/phys1101/Lectures/L09/newplanets.py.
1. http://www.mso.anu.edu.au/pfrancis/simulations/newplanets.py
from visual import * from time import clock from random import random from random import uniform # Stars interacting gravitationally # Program uses numpy arrays for high speed computations wid=1300 heit=800 Nplanets = 100 # change this to have more or fewer stars G = 6.7e-11 # Universal gravitational constant # Typical values Msun = 2E30 Rsun = 2E9 Rtrail = 1e8 L = 4e10 vsun = 0.8*sqrt(G*Msun ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/simulations/newplanets.py -- 5.4 Кб -- 09.12.2013
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2. http://www.mso.anu.edu.au/~kcf/surya/spiralstructure/Bizyaev04
... Printed in U.S.A. THE STELLAR DISK THICKNESS OF LOW SURFACE BRIGHTNESS GALAXIES D. Bizyaev 1,2,3 and S. Kajsin 4 Received 2003 October 23; accepted 2004 June 9 ABSTRACT We present surface photometry results for a sample of 11 edge-on galaxies observed with the 6 m telescope at the Special Astrophysical Observatory, Russia. ... We find from a comparison of photometric scales that the stellar disks of LSB galaxies are thinner than those of high surface brightness ( HSB) galaxies. ... UGC 11301 .. ...
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Ссылки http://www.mso.anu.edu.au/~kcf/surya/spiralstructure/Bizyaev04 -- 2057.9 Кб -- 09.07.2007
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