<poor Russian impression>
Komrade, in Kommunist systems, all asteroid fields are arranged in manner such as zis. Only in foolish Capitalist systems are asteroids arranged in random manner. Is simples, Kommunist way is better.
Da. Keptin Hesperous puts forth a wonderful explanation.
On the other hand, in prosperous capitalistic systems, composers can arrange to hire mining ships to arrange asteroids in space at the whim of the composer.
Why you ask?
Answer is simple, the composer wanted to arrange a symphony in space written in musical notations upon the scanner display of their decadent capitalist wessel.
By the way, Keptin Hesperous, do you sell caviar in addition to your trumbles?
~CptnEcho
<ceases imitation of accent>
"I shouldn't have taken off in this crate without more ammo..." Sergeant Knox - Star Blazers
Something to do with a sometimes semi-sequential not-so-random random number generator, perhaps?
Most games have some sort of paddling-pool-and-water-wings beginning to ease you in: Oolite takes the rather more Darwinian approach of heaving you straight into the ocean, often with a brick or two in your pockets for luck. ~ Disembodied