Given the amount of UFO sightings, alien motherships entering our solar system must be a relatively common thing. 2015 TC25 is an asteroid that is just six feet wide and is being tracked. UFOs are said to be anywhere from 100 to over a thousand feet in diameter. submitted by /u/Nerdlvr325425 [link] [comments]

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Why is it that nasa can track and take photos of small asteroids but they’ve never tracked an alien spaceship approaching Earth?