vastness of empty space. But above the thin skin of the atmosphere are other worlds. Worlds where 100 year old hurricanes are raging, ice volcanoes are erupting, gargantuan lightning bolts are leaping between cloud tops and moons. These things have been happening for billions of years, but it is only now that we can see them in glorious close-up. We are extraordinarily privileged to be alive...Welcome to the sun and planets, the moons and comets and chunks of assorted rubble...