Fictional accounts of aliens found in mainstream media aren’t considered an accurate representation of alien life. Some scientists believe that aliens will be simple life forms such as bacteria or single celled organisms while others believe that more complex forms of life exist 제독업무도 바빠 다운로드. Within the Milky Way galaxy, there are several planets that may be able to support some type of life.

Over half of the galaxies visible from Earth’s telescopes may have planets and solar systems similar to our own 지메일 첨부파일 다운로드. Scientists often determine the probability of alien life by examining the availability of water on other planets. Currently, there are several planets that are thought to have some form of water available, including Mars and Titan, one of Saturn’s moons 스톤에이지 모바일 다운로드.

The debate of whether alien life exists is hinged on the lack of definite proof of other species outside Earth. According to New Scientist, there are some examples that point to irrefutable evidence 윈도우7 업데이트 다운로드. For example, methane has been found on Mars. The presence of methane is linked to the metabolic process that occurs when life forms process organic compounds for energy free icon. This evidence is controversial and has only been accepted as proof of alien life by a portion of scientists.