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New Discoveries in the Restless Search for Alien LifeCurated bySpace.com
Have intelligent aliens ever visited the solar system? It's not a ridiculous question. After all, the solar system has been around for over 4 billion years, and if intelligent life arose in our galaxy, it may have reached the level of technological sophistication necessary to explore other systems, including our own.
• We could launch satellites into space at a higher altitude thanlow-Earth orbit, but the radiation there could destroy their electronics and power supply. • A lighter, thinner, radiation-tolerant solar cell could be the solution. • These solar cells could aid space agencies like NASA in exploring alien …