"对太空探索痴迷" 可以用 "be obsessed with space exploration" 来表示。这个表达来源于英语中的 "obsessed" 这个形容词，它的意思是 "痴迷的，沉迷的"。
例句：
He is obsessed with space exploration and spends all his free time reading about it. 他对太空探索痴迷，把所有空闲时间都用来看有关它的书。
She has always been obsessed with space exploration and dreams of one day becoming an astronaut. 她一直对太空探索痴迷，梦想有一天能成为宇航员。
例句：
He is obsessed with space exploration and spends all his free time reading about it. 他对太空探索痴迷，把所有空闲时间都用来看有关它的书。
She has always been obsessed with space exploration and dreams of one day becoming an astronaut. 她一直对太空探索痴迷，梦想有一天能成为宇航员。