The moment of totality is profoundly transcendent. Amidst the stars and planets, hemmed in by a 360° sunset, is a vision of the sun, in profile. Trust me, I have seen many pictures and videos before. I'll post many myself of what has been dubbed the "Great American Eclipse." But neither a thousand words nor a picture can truly do justice to the emotional immersion into a world, like our own, but seen in a completely alien light.
It rained over the Arizona Desert as we drove toward Biosphere 2. Biosphere 1 (Earth) was pouring water onto the parched red sands of Oracle, outside of Tuscon. But inside the experimental environment of Biosphere 2, we might as well have been another world—which was the point.