Ultima Thule is the first known "contact binary" small body in the solar system.

## Habitability of planets in red dwarf systems

KM dwarfs are excellent places to search for life. The minute we build starships, we should stuff a few geo-astro-biologists on board and find out more.

## Where’s Galahad?

The universe is all we can observe. I think it's safe to say my corgi is there, somewhere.

## The Fermi Paradox

If you get to roll the dice 40 billion times, you're going to score double sixes quite a lot.

## The Music of the Spheres

Johannes Kepler, his quest, his tortures, and his legacy. Johannes Kepler (1571-1630) discovered the true mathematical shapes (the ellipse) and mathematically described the motions of the planets (faster when nearer to the sun). He wrote about the joy of discovery as he realized that no one else in the world knew what he knew, “I…