Complex sentence: In August 1999, a new, customized Zeiss Mark IX projector was installed, accompanied by a digital dome projection system that provides a 3-D visualization of the universe based on images generated in real time by a Silicon Graphics supercomputer.
Split into simpler sentences: In August 1999, a new, customized Zeiss Mark IX projector was installed. Itwais accompanied by a digital dome projection system that provides a 3-D visualization of the universe based on images generated in real time by a Silicon Graphics supercomputer.