Local dwarf galaxies Dwarf galaxy
the phoenix dwarf galaxy dwarf irregular galaxy, featuring younger stars in inner regions , older ones @ outskirts.
there many dwarf galaxies in local group; these small galaxies orbit larger galaxies, such milky way, andromeda galaxy , triangulum galaxy. 2007 paper has suggested many dwarf galaxies created galactic tides during evolutions of milky way , andromeda. tidal dwarf galaxies produced when galaxies collide , gravitational masses interact. streams of galactic material pulled away parent galaxies , halos of dark matter surround them.
more 20 known dwarf galaxies orbit milky way, , recent observations have led astronomers believe largest globular cluster in milky way, omega centauri, in fact core of dwarf galaxy black hole @ centre, @ time absorbed milky way.
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