Press Release: http://www.eso.org/public/news/eso1045/
Astronomers from the European Southern Observatory have just announced the discovery of an exoplanet orbiting a star whose origins lie outside the Milky Way.
This star, HIP 13044, entered the Milky Way via the Helmi Stream, a stream of stars resulting from a collision with a nearby dwarf galaxy.
Sagittarius A animation, David Law Univ. of Virginia:
http://www.astro.virginia.edu/~mfs4n/sgr/
Music Used:
http://www.archive.org/details/RNRM004_ReyhanNaimRicklefs_2003_Definitive
http://www.archive.org/details/12StepStaircase_1999_Downtown