Scientists consider how to visit the closest exoplanet

Scientists consider how to visit the closest exoplanet

Scientists consider how to visit the closest exoplanet Scientists :Even at only around 4 light-years, a trip from Earth to Proxima b might still take tens of thousands of years Scientists :By now, you probably have heard that astronomers have discovered a new exoplanet orbiting the star closest to our sun. That star, Proxima Centauri, is 4.2 light-years away. In miles, that’s like 25 trillion. The new planet’s name is Proxima b. Because its star is so relatively close, some people wonder whether it would be possible to go there.…

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How We Could Detect an Alien Apocalypse From Earth

How We Could Detect an Alien Apocalypse From Earth

How We Could Detect an Alien Apocalypse From Earth It’s generally assumed that we will eventually find signs of life in the galaxy. But rarely do we consider searching for advanced civilizations that have destroyed themselves. Here’s how we could do it—and what the search for dead aliens could tell us about our own future. Typically, astrobiologists and SETI enthusiasts are in the business of searching for signs of active extraterrestrial civilizations. Proposed signatures that could be detected by astronomical instruments on Earth include radio and optical signals, megascale engineering…

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