Complex sentence: In 1988, Clarke was made an Officer of the Order of Canada, and in 2004 he was awarded the Canadian Space Agency's Chapman Award for 2004 for "his remarkable contribution to the advancement of the Canadian Space Program".
Split into simpler sentences: In 1988, he was made an Officer of the Order of Canada. Mr Clarke was awarded the Canadian Space Agency's Chapman Award for 2004 for "his remarkable contribution to the advancement of the Canadian Space Program".