We first glimpsed Earth’s curvature in 1946, via a repurposed German V-2 rocket that flew 65 miles above the surface. Year-by-year, we climbed a little higher, engineering a means to comprehend the magnitude of our home.
In 1968, Apollo 8 lunar module pilot William Anders captured the iconic Earthrise photo. We contemplated the beauty of our home.
But on Valentine’s Day 27 years ago, Voyager 1, from 4 billion miles away, took one final picture before switching off its camera forever. I