Those infrared emissions will allow the telescope to through dust and gas to see things like the evolution of early stars and galaxies. Scientists also want to learn more about mysterious dark matter and energy, and whether the universe will expand forever. 星系发出的红外线使得望远镜可以穿越宇宙尘埃和大气来观测早期星辰和银河系的进化。科学家还可以知道神秘的黑洞和能量,以及宇宙是否会永远扩散。