Sentences with phrase «galactic tidal forces»
These special classes of galaxy, so named for their extremely diffuse appearance, apparently produced far fewer stars than other galaxies or else were stripped of them long ago by galactic tidal forces.
https://www.sciencedaily.com/ Not exact matches
Some stars in the spheroid are the remains of galactic cannibalism, having come from dwarf galaxies that fell into the spiral galaxy, were ripped apart by powerful tidal forces, and were incorporated into the larger galaxy's structure.
Yet gravitational tidal forces — from the black hole and from stars in the galaxy's nucleus — make the galactic center the antithesis of such a [stellar] nursery.»
In addition, tidal forces affecting the Oort Cloud come from the differential gravitational forces exerted by stars in the Milky Way's galactic disk and by the galactic core on the Sun and comets as a result of their relative location in the Solar System, which have been modelled with numerical simulations (Duncan et al, 1987).
Yet gravitational tidal forces — from the black hole and from stars in the galaxy's nucleus — make the galactic center the antithesis of such a
As they drift along their orbits, some of their members escape the cluster, due to velocity changes in mutual closer encounters, tidal forces in the galactic gravitational field, and encounters with field stars and interstellar clouds crossing their way.