Are UFO sightings based on scientific evidence? - No, they are based more on religion and superstition rather than science, Is it possible that there are other civilizations in space? - Yes, it's possible, because space is infinite., Are eyewitness accounts of seeing aliens based on hard evidence? - No, there is no evidence of contact with alien civilizations., What method can help humanity communicate with alien civilizations? - Radio astronomy, Where is the largest Radio Radar on Earth located? - Puerto Rico, How much bigger is Atlas than the Earth? - Atlas is twice the size of the Earth., Why can sky grazers live permanently in the sky? - The air is dense enough for them to live in the sky.,

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