186,000 miles per second

Usage examples of lightspeed.

What they have now are modules of the life support and living quarters, some modules with carefully selected scientific equipment from the labs, a vast corpus of knowledge downloaded to an assortment of still-functioning computers, a cargo hold stuffed with Mingulayan manufactures, and the lightspeed drive.

Greek gift or Trojan Horse -- of the lightspeed drive and antigravity craft.

It occurs to Matt that the anomalous experience of travel by lightspeed ship, before the travelers had had any grasp of the notion that light had a speed at all, was probably responsible for the persistence of this entire ludicrously complicated cosmology.

Solar System had turned out to be for -- or had been overridden to produce -- a lightspeed leap of unknown but vast length.

Quick zoom in to scenes of conflict -- lightspeed ships exchanging laser fire, a gutted asteroid habitat swarming with monkey-spiders, a ruined monkey-spider city, a saur manufacturing plant forest in flames.

Matt peers at it, recognizing the numbers along its pathways as instruction sets for lightspeed jumps.

At the same time, these powers gave the instructions for building the engines of the lightspeed ships and the gravity skiffs to the human beings who then lived on Earth.

The pressure of a fingertip against a touch screen was sufficient to conjure information on individual worlds, stars, or lightspeed routes.

In place of the purplish-white chaos of lightspeed, local space was fracturing into elongating lines of light.

But it was a star: a star that had been accelerated to near lightspeed and then launched through hyperspace.

Evidently they have been unable or unwilling to persuade or coerce the other species into sharing antigravity and lightspeed tech.

Over the New Babylon subcontinent it had appeared as a fleet above a small town in the Massif, making lightspeed jumps back and forth between five separate points so quickly that it was seen as five separate ships.

The first-wave colonists remained in contact with Earth, in a one-way conversation with a twenty-year lightspeed transmission lag.

The first message from the incoming flotilla had bridged the lightspeed distance.

She fell silent again, and sat moodily running the lightspeed comm bands for another half-hour without result.