If such planets exist, these missions—NASA's Terrestrial Planet Finder and ESA's Darwin—should be able to scan their atmospheres for the presence of gases that would indicate the existence of life.
If such planets exist, these missions—NASA's Terrestrial Planet Finder and ESA's Darwin—should be able to scan their atmospheres for the presence of gases that would indicate the existence of life.
如果真的有这类行星存在，NASA的类地行星搜寻者，以及ESA的达尔文计画等任务，将得以探测它们的大气，寻找象徵生命存在的气体。