How to pronounce“unmanner”in English

What other planets we can try to explore other than Mars In fact, astronomers are interested in every planet. Science has trends just like everything else and it is astrobiology.Simply speaking, finding the aliens. Even when we send unmannered probes, the top priority is to find the aliens.Mars has air, though it is thinner than that of earth. Therefore, wind blows, sleets, and ices are found under the ground. This is why Mars is the prime target.