Complex sentence: It has been published by the Minor Planets section of the Association of Lunar and Planetary Observers since 1973 and the editor-in-chief is Richard P. Binzel (Massachusetts Institute of Technology).
Split into simpler sentences: It has been published by the Minor Planets section of the Association of Lunar and Planetary Observers since 1973. The editor-in-chief is Richard P. Binzel (Massachusetts Institute of Technology).