... Andromeda involved in ancient galacticcollision . POSTED: 9:43 a.m. EST, January 31, 2007 . ... stellar gems on the outer edges of Andromeda are remnants of an ancient galacticcollision that helped shape the spiral galaxy ...
... Superbubbles are gigantic bubbles blown in galaxies by the action of very powerful phenomenae (stellar winds and multiple supernovae explosions in stellar associations, collisions of clouds with galactic disks). ...
... These clusters have some of the highest values of central surface brightness, velocity dispersion, and stellar collision rates for Galactic GCs, which may partially explain their blue HBs, but Rich et al. (1997) find no evidence for a difference in the ...
... These clus ters have some of the highest values of central surface bright ness, velocity dispersion, and stellar collision rates for Galactic GCs, which may partially explain their blue HBs, but Rich et al. (1997) find no evidence for a difference in ...
... Electronic Editor: H. Payne . Boron in the Galactic Halo and Disk . Abstract: . Introduction . Data . ... attention paid to the errors of each point, to permit judgment of the goodness-of-fit of models of galactic chemical evolution ...
... features in the disks (bars and spiral arms), the nonconservation of angular momentum as gas flows though shocks in spiral arms, and the exchange of angular momentum in collisions between clouds, not to mention galactic outflows, fountains, and mergers ...
[
Текст
]
Ссылки http://www.stsci.edu/science/preprints/prep1533/prep1533.ps -- 212.4 Кб -- 26.11.2002 Похожие документы
... to make snapshot observations of the nearby active galactic nuclei of Mark-1376 and ... make spectrographic observations of the active galactic nuclei of nearby QSO Q0003 ...