In the novel, the characters seem to make a big deal of the fact that one of the Minds warped so deep into a gravity well, after it had reached the planet through hyperspace. Here's one conversation that discusses that:
'This Mind went underneath the planet in hyperspace?' she said. 'Then warped inside?'
'That was what it said it was trying to do when it sent the coded message in its destruct pattern. As the planet is still there it must have succeeded. Had it failed, at least half a per cent of its mass would have reacted with the planet's own material as though it was antimatter.' 'I see.' Fal scratched at one cheek with a finger. 'I thought that wasn't supposed to be possible?' Her voice contained the question. She looked at Jase. 'What?' it said.
'Doing . . . ' She scowled at not being immediately understood and waved one hand impatiently. ' . . . Doing what it did. Going under something so big in hyperspace and then bouncing over. I was told even we couldn't do that.'
The above dialogue (and general plot) implies that the Mind first used hyperspace to travel to the planet, and then used warping to go beneath the surface (in the tunnel system, its revealed)
My questions are:
- Why did the Mind need to use hyperspace to get "underneath" the planet, and then warp to reach the tunnels? Why not use only warp, or only hyperspace?
- Why is it such a big deal to go "under something so big in hyperspace"? After all, unlike warping (where they need super-strong deflectors to clear their path through compressed space), hyperspace is "over and above" normal space and shouldn't be affected by gravity wells or normal matter