Launch a probe and let gravity do the flying. Drag anywhere to set heading and power — the dotted flight plan is an exact prediction, because once you launch there's no steering. Read the curves, thread the wells, reach the green marker.
Keyboard: ← → aim · ↑ ↓ power · Space launch · R reset.
Build your own: the sector map has a Design button and a Random sector roll, and every sector you make or roll is a link you can hand to somebody.