31. Wilson telescope did not support the expanding universe theory. 32. The scientists conclude that the observed differences in size were caused by the expanding universe . 33. Gamow led the development of the hot " big bang " theory of the expanding universe . 34. He also discusses an antigravity force that may explain recent observations of a permanently expanding universe . 35. Friedmann Lema�tre Robertson Walker solution, an expanding universe . 36. This causes a difference in surface brilliance of objects between a static and an expanding Universe . 37. The expanding Universe then underwent a Dark Age due to the lack of stellar energy sources. 38. Expanding universe is a prediction of general relativity.39. Since the realization of the future of an expanding universe , apathy is the only intelligent response. 40. Later, he recanted when observations showing an expanding universe appeared to render the theorized force unnecessary.