John Callas
![John Callas](/assets/img/authors/unknown.jpg)
John Callas
brand clark lewis mission phenomena
Every day is like a brand new mission to us, because the rovers move. And so we are in different locations, there is different terrain, there is different geology, there is something new to explore. We're like Lewis and Clark going upriver and every day there's new phenomena to see.
motion
The motion was very small, but it was perceptible.