These were the last weeks and days before the end of the world, before total destruction overwhelmed Earth and every living thing on the surface of the planet. No one knew exactly how long they had before the sun turned nova and destroyed not only Earth but all of the other planets in the Solar System. For mankind, the only excape lay in flight to the stars, to Alpha Centauri, more than four light years distant. The hyperdrive, capable of carrying them there at close to the speed of light had been developed, but as yet had not been perfected. In a world without a future, the starships were the only salvation of mankind and they could save only a minute fraction of the population of Earth. Panic is there, but temporarily forgotten by most, as the plans for a mass exodus are speeded up, as the long hours of mounting tension draw to a close and Judgement Day, when the world shall be destroyed by fire, is mo longer a hazy time in the far future, but something very close and very terrible. For those who remained behind, there could be no escape; death would come suddenly, eight minutes after the nova explosion. For those who fled the Solar System in the starships, untried and working on principles only partially understood, there was only the long, terrible journey through the endless night, not knowing what lay at the end of it.