The term astrobiology derives from Greek roots, this refers to the study of the possible existence of life on other planets «, this is composed lexically of« star »which means« star »plus« bios » which means "life" and the suffix "lodge" which is equivalent to "study", "treatise" or "word." Astrobiology is that science in charge of the complete study and analysis of life in the entire universe ; that is, it deals with the origin, how it is distributed and the future of life in the universe (extraterrestrial life and life on Earth).This discipline is based on the implementation of other disciplines such as biology, astrophysics and the geology to resort to the investigation of the origins, in addition to the influence and presence of life on the planets.
It is known that from the first human beings looked towards the sky , his first idea of the stars was that they were like distant fires; which means that the human being has wondered throughout his life if we are alone in the Universe.The ancient Greeks argued against our planet , decreeing that it is the only support for life , but lacked the technology to prove their beliefs.Later in the 20th century , the almost simultaneous discoveries of possible remains of bacterial life in a Martian meteorite, and the first planets orbiting other stars, emanated the questions of the existence of life beyond Earth at the forefront of scientific work .In the 21st century, the new field of Astrobiology takes advantage of the ability technology and scientific necessary to seriously address these old questions .
Astrobiologists can work alone on certain scientific issues, but there are diverse occasions that the same work They work together to analyze complex questions, questions that cover topics such as: What kind of environment is necessary for life to survive ?, How does life evolve? , Is there or has there been life in our system? solar in another place ?, What is the future of humanity on Earth and beyond ?, How did life originate? , among others.
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