The Origins of Life: Exoplanet Continents and Advanced Alien Life in Our Galaxy

2023-11-11 10:19:57
A study found that the oldest continents in our galaxy may have originated 5 billion years before the Earth appeared, and this means that there may be multiple worlds in the Milky Way that harbor alien life, more advanced than ours. Astrobiologists point out that “the planet needs certain features.” To support life: the oxygen in its atmosphere, an element that protects living organisms from dangerous radiation and liquid water, for starters. Although plate tectonics is not absolutely necessary for life, Earth’s history shows that it is important for living organisms to flourish and exist for long periods of time. So, if there were continents of an exoplanet before Earth, this means that there may be older and more advanced life on that world. Plate tectonics plays an important role in reducing the temperature of the Earth, as it allows heat to vent from the core, and the presence of a lot of Heat in the core would block the Earth’s protective magnetosphere. However, some research shows that plate tectonics were not very active billions of years ago when life first appeared. Therefore, they may not be necessary for the start of life, but for life to continue and develop into more complex organisms such as humans, they are likely necessary. These sciences led Jane Greaves, an astronomer at Cardiff University in the United Kingdom, to answer the question: When did the first continents appear on a planet in Our galaxy? It turns out that two continents of exoplanets, and perhaps life, likely originated four to five billion years ago from Earth. Greaves wrote in a study published in the journal Research Notes of the American Astronomical Society that “if life on another planet had begun five billion years ago… year, it is likely to host life more advanced than us.”Continents are formed due to plate tectonics, which is the movement of rocky plates that float above the molten interior of the planet.The oldest continents in the Milky Way may be 5 billion years older than Earth”s – Mark ? ?☮️ (@FerL67) November 11, 2023 Follow us on social media Related articles
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