关键词：进发 planet slightly historic discovery orbiting star larger
The search for planets beyond our solar system has brought an historic discoveryThe search for planets beyond our solar system has brought an historic discovery: a planet slightly larger than Earth orbiting a star called Proxima Centauri. At just over 40 trillion kilometers from the Sun, Proxima Centauri is our closest stellar neighbor. Does its planet have a climate, or even life? What will it take to get a closer look, to launch our first interstellar journey to the Pale Red Dot? 详情 
