TY - JOUR AU - Roy Garstang BT - American Journal of Physics DA - Jan-01-1995 DO - 10.1119/1.18010 PY - 1995 EP - 1067 T2 - American Journal of Physics TI - Answer to Question $\#$17 [\textquoteleft\textquoteleftWhat happens to energy in the cosmic expansion?\textquoteright\textquoteright Frank Munley, Am. J. Phys. 63 (5), 394 (1995)] VL - 63 SN - 00029505 ER -