Thanks Douglas. If in the upper position it is not just focusing but actually increasing the magnification, then that might explain why fainter stars are easier to see. The background is becoming darker with the slightly higher power but the stars retain their brightness. #14 Douglas729 Ranger ...
Carl Walsh高宏经济学教学大纲 Economics 205C Spring 2010 UCSC C. Walsh Advanced Macroeconomic Theory Economics 205C This course is the third of the three-quarter sequence in macroeconomics for students in the Ph.D. Program in International Economics. The main emphasis will be on new Keynesian ...