"The way I’ve framed the thought experiment in recent conversations is this: Imagine, tomorrow, an alien craft crashed down in Oregon. There are no life-forms in it. It’s effectively a drone. But it’s undeniably extraterrestrial in origin. So we are faced with the knowledge that we’re not alone, that we are perhaps being watched, and we have no way to make contact. How does that change human culture and society?"This scenario is a little too specific. I'm in Oregon and now I'm worried. What does Ezra Klein know?
"Scientists think that millions of years ago, Venus actually had oceans of liquid water like Earth. At some point, however, a runaway greenhouse effect turned Venus into the inhospitable world it is today, with a surface temperature hot enough to melt lead."Hey, no Earth spoilers! AND: I, for one, welcome our phosphine belching neighbors.