The Existence Of Extraterrestrial Life

Decent Essays
Unidentified Flying Objects or UFO sightings have exploded into a worldwide phenomena, but still there are many people who refuse to believe that extraterrestrial life exist. It is hard for some to wrap their head around the idea of little green men from outer space being more advanced in space travel than humans. The earliest UFO sightings in recorded history can be found in 4th-century Chinese texts claiming that a "moon boat" hovered above China every 12 years, and ever since people have been claiming to see or be abducted by UFOs ( M.J. Stephey). Aliens exist because of the amount of planets that can support life, UFOS have been seen all across the world, and there is a FBI agency dedicated to covering up the existence of extraterrestrial life.
The fact that NASA has spent years searching for planets that could support life makes people wonder whether there could be life already out there. In 2009 NASA launched the Kepler space telescope hoping to find as many habitable planets as possible. Kepler has found over 1000 exoplanets and confirmed that twelve are within habitable zones. Scientists look at many factors to determine in a planet can be habitable: how close it is to its host star, if it has an atmosphere, and if the planet has traces of water (Mike Wall). After 15 years of research NASA announced the discovery of water on Mars. Scientist believe that the red planet could of been covered in oceans at one point in time, but over time the water evaporated (Nola
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