... Similar WD-WD collisions, occurring in the thick disk, ultimately supply much of the 511 keV radiation emission extending along the Galactic plane.. ...
... where galaxies undergo high-speed collisions, ram pressure stripping and tidal ... falling into the cluster through radio observations of active galactic nuclei (AGN ...
... Globular clusters are located in galactic halos, of which the Milky Way may have ... there are more stars per unit volume, collisions and close-encounters are far more ... What about Galactic extinction? ...
... the relativistic electrons causing the extended emission (see reviews by Jaffe 1992, Feretti & Giovannini 1995), involving (i) particle collisions (Vestrand 1982), (ii) galactic wakes (Roland 1981), (iii) intracluster turbulence and shocks (Harris et al ...
... The existence of these latter stars indicates that And II, like all the Galactic dSphs, does contain a population as old as the globular clusters of the Galactic halo. ...
... the LMC and SMC and are mapping the Galactic Plane for comparison with the Molonglo ... with their Molonglo Radio Surveys of the galactic plane (Green et al. 1999; http ...
... The comets are weakly concentrated at intermediate galactic latitudes (Fig 5), consistent with the galactic tide playing a ma jor part in making them observable (Matese & Whitmire 1996). ...
... the collision are: = h = Initial photon energy 1 = h 1 = Final photon energy m e c 2 = Initial electron energy E = Final electron energy = Angle of deflection of photon High Energy Astrophysics: Compton Scattering I 8/59 Treatment of collision using 4 ...
[
Текст
]
Ссылки http://www.mso.anu.edu.au/~geoff/HEA/5_Compton_Scattering_I.pdf -- 105.7 Кб -- 27.05.2003 Похожие документы
... 1979), late M-type stars (Dickinson 1976) and Active Galactic Nuclei (Claussen et al ... the impact on Jupiter induced by the Shoemaker-Levy comet collision (Bjoraker et al ...
[
Текст
]
Ссылки http://www.mso.anu.edu.au/~charley/papers/MinierLineweaver2006.pdf -- 75.8 Кб -- 28.02.2007 Похожие документы