简介： Thesearchforplanetsbeyondoursolarsystemhasbroughtanhistoricdiscovery:aplanetslightlylargerthanEarthorbitingastarcalledProximaCentauri.Atjustover40trillionkilometersfromtheSun,ProximaCentauriisourcloseststellarneighbor.Doesitsplanethaveaclimate,orevenlife? Whatwillittaketogetacloserlook,tolaunchourfirstinterstellarjourneytothePaleRedDot?
