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Many people today like reading 76 about UFOs．Many people in different countries are 77 the UFOs．But what are UFOs?
There are some different sayings for UFOs． 78 these things，the 79 popular one for UFOs is that they carry visitors coming from other stars．They 80 to fly much faster than planes on the earth．
UFO scientists and many people 81 this saying．Some people said that they saw a few UFOs 82 on the earth．Some people said they saw some strange visitors come out of the UFOs．Some even said they were carried away in the UFOs，and then were sent 83 by the strange visitors．
Some people make mistakes when they say they have seen UFOs． 84 they see a weather balloon or an uncommon plane．Sometimes they see the light from the moon．
But there are a lot of things we can’t understand．Now, people still can’t understand UFOs clearly．It may 85 many years to find a clear answer, and then people will give UFOs another name．