Short Trips: The Solar System was the fourteenth Short Trips anthology published by Big Finish Productions.
Publisher's summary
A star like many others in the western spire of the Milky Way galaxy...
Around it, orbit its planets — each one has its own environment; its own history; its own circumstances...
The third planet of the ten is the most densely populated. And, over time, its inhabitants have reached out to the other worlds.
There, they find surprises, wonders, danger...
Welcome to the solar system...