Aliens may exist, but there are three reasons they aren’t visiting us (opens original article in a new tab)
The article explains that while aliens may exist, three factors—vast distances, energy requirements, and biosphere incompatibility—likely prevent them from visiting Earth.
- The article discusses three reasons why aliens may not be visiting Earth: the vastness of space, the energy requirements for interstellar travel, and the challenges of surviving in Earth's biosphere.
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