P peterpanda New Member Joined Oct 11, 2011 Messages 2 Gender Male HSC 2012 Aug 6, 2013 #1 Hi, im just wondering, is the textbook essential for this course? Intro to Astronomy
J JINGg New Member Joined Aug 2, 2015 Messages 7 Gender Female HSC 2011 Aug 3, 2015 #2 hi,did you do phys1160?