Earth Systems

We Need a Moonshot

I was born just a few months after the return of the last human crewed Earth mission to the Moon. Apollo 17 launched on December 7, 1972, it’s lunar module […]

A Cosmic Influence

Twenty years ago today, Carl Sagan passed away from a cancer-related blood disease, myelodysplasia. If you know ANYTHING about twentieth century astrophysics, you know who Dr. Sagan was and what […]

To Boldly Go...Part I

“Space: the final frontier. These are the voyages of the starship Enterprise. Its continuing mission: to explore strange new worlds, to seek out new life and new civilizations, to boldly […]

The Cost of Human Supremacy

We are not the supreme species on planet Earth, not by a long shot. From a geological timespan point of view, we are relative newcomers.  Less than 3 million years […]

Solar Fun

As you may be aware, it is not dark out 24 hours a day.  At least not on our planet.  Unfortunately for you astronomy lovers and romantics, the Sun does […]

The Old Giant

I don’t usually get overly emotional about trees. At least not individual trees. Their collective importance to the world is without doubt vital; they are part of the breathing world, […]