Perhaps it's time to try planting visions from the ground up and watering those that take root. Who knows? In restorying how we can live here, we might just prove that you can go home again. Especially if that home is your homeworld.
We tend to think of myth as a lie or as an outdated explanation for a mystery long since cleared up by science. But as a host of mythologists, writers and storytellers have observed, myth is actually a framework of meaning.
Since Earthrise was taken we've been so busy warming our world that it now looks radically different from space. We've put so much carbon into the atmosphere that today's astronauts are looking at a different planet.
As our generation struggles to deal with the challenge of climate change, we need another Earthrise moment. With our limited attention spans chasing after the latest tweet or Facebook post, perhaps our moment of insight will take a different form.