Complex sentence: During the later 1980s, Faber got involved in an eight-year project called the "Seven Samurai" collaboration, which attempted to catalogue the size and orbital speeds of 400 galaxies.
Split into simpler sentences: During the later 1980s, Faber got involved in an eight-year project called the "Seven Samurai" collaboration. The project called for a catalog of accurate galaxy size and orbital speeds of 400 galaxies.