Tiny satellites that photograph the entire planet, every day | Will Marshall
Satellite imaging has revolutionized our knowledge of the Earth, with detailed images of nearly every street corner readily available online. But Planet Labs' Will Marshall says we can do better...
========== The Earth needs no introduction. It needs no introduction in part
because the Apollo 17 astronauts, when they were hurtling
around the moon in 1972, took this iconic image. It galvanized a whole
generation of human beings to realize that we're on
Spaceship Earth, fragile and finite as it is, and that we need
to take care of it. But while this picture
is beautiful, it's static, and the Earth is constantly changing. It's changing on days' time
scales with human activity. And the satellite imagery we
have of it today is old. Typically, years old. And that's important because
you can't fix what you can't see. What we'd ideally want is images
of the whole planet every day. So, what's standing in our way? What&...