Complex sentence: The Association in Scotland To Research into Astronautics (ASTRA), is a spaceflight and astronomical society which adopted its constitution on November 20,1963, was originally known as the "Association in Scotland for Technology and Research in Astronautics".
Split into simpler sentences: The Association in Scotland To Research into Astronautics (ASTRA), is a spaceflight and astronomical society. The society adopted its constitution on November 20,1963, and was originally known as the "Association in Scotland for Technology and Research in Astronautics".