spacetug

We can't all be Calculon.

They gave the measurement of the diameter with an error of +/- 20km.

He actually means literal trees. The things that make up a forest.

Maybe it's a courtyard from the original military buildings?

There are shortcuts you can take, but the tradeoff is always between processing and storage. All the data you precompute takes up a ton of storage space, and takes time to load over the network.