Asteroids may carry alien organisms from "summary" of EXTRATERRESTRIAL by Avi Loeb
The idea that asteroids might transport alien life forms from one planetary system to another is not as far-fetched as it may seem. In fact, it is entirely plausible that these rocky bodies could serve as cosmic ferries, shuttling microbial hitchhikers through the vastness of space. Such a scenario is not only scientifically sound, but also raises fascinating questions about the potential for life beyond Earth. Asteroids are essentially leftover building blocks from the formation of our solar system. They range in size from small boulders to massive mountains, and can be found orbiting the Sun in a vast belt between Mars and Jupiter. These rocky fragments are thought to contain a treasure trove of information about the early history of our celestial neighborhood, including the conditions that may have given rise to life on Earth. One of the most intriguing aspects of asteroids is their ability to survive the harsh conditions of outer space. These rocky bodies are bombarded by cosmic radiation, pummeled by micrometeoroids, and subjected to extreme temperature fluctuations. And yet, despite these challenges, some asteroids have managed to endure for billions of years, traveling...
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