Alone in the universe
Source: Guillermo Ferla on Unsplash Hope of alien life fades Leading astronomer pours cold water on hope of finding alien life Howard Smith, a senior astrophysicist at Harvard, made the claim that we are alone in the universe after an analysis of the 500 planets discovered so far showed all were hostile to life. Dr Smith said the extreme conditions found so far on planets discovered outside out Solar System are likely to be the norm , and that the hospitable conditions on Earth could be unique. “We have found that most other planets and solar systems are wildly different from our own. They are very hostile to life as we know it,” he said. He pointed to stars such as HD10180, which sparked great excitement when it was found to be orbited by a planet of similar size and appearance to Earth. But the similarities turned out to be superficial. The planet lies less than two million miles from its sun, meaning it is roasting hot , stripped of its atmosphere and blasted by...