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The astronomers at the International Symposium were faced with an alarming discovery. An unexpectedly early solar eclipse had caused the Moon's orbit to contract. Evidence from a hurried investigation all pointed in one direction: the Moon was drawing nearer to Earth,...
Chris Godfrey, the famous astronaut, is on holiday in Majorca with his friends Morrey, Serge and Tony. They visit the fabulous underground Caves of Drachm and there they encounter Ebenezer Yates, an elderly and wealthy American who is greatly distressed because his...
Morrey, Serge and Tony are sent to Mars to investigate the murder of William Baines, an electronics specialist who has been found dead in a crater. There are more than a hundred people working in Mars city, and at first the astrotecs, as Commander Morrison calls them,...
When Tony, Morrey and Serge were summoned by Sir Billy Gillanders to the U.N.E.X.A. headquarters they hoped they were to be sent on yet another mission to some distant planet. Instead they learned that they were to go to the moon, not as astronauts, but as detectives....
For the first time Morrey, Serge and Tony make a space expedition without Chris, who has become Deputy Director of U.N.E.X.A.. Their dedtination is Pluto, which since its discovery in 1930 has always been thought the most distant of the planets. Now, however, the...
Mysterious radio signals were being received from the planet Uranus, and Earth's leading scientists decided that a complete investigation was needed. For the first time, the U.N.E.X.A. planned a two-ship expedition, under the overall command of Chris Godfrey. Serge,...
Chris Godfrey and his crew employ a new hypothermia technique which freezes them into unconsciousness for most of the journey, but when their ship's automatic transmitter contact with Earth ceases, the conclusion is that the expedition has met with disaster.
After their expedition to Saturn, Chris Godfrey and his friends were given the longest spell of leave they had ever had. Every day they expected to hear about their next assignment from Sir George Benson, Director of the United Nations Exploration Agency, but when they...
When the famous astronauts Chris Godfrey and his team are scheduled for a trip to Saturn, they are at first shocked to learn that they will be put into "deep freeze", a process called hypothermia, in order to make the long voyage possible. As on another voyage, the...
The four intrepid astronauts, headed by Chris Godfrey, look forward with enthusiasm to their trip to Mercury until the new crew member turns out to be a girl! Gail Patrick is being sent along to test mental telepathy as a means of communication. Her twin sister, Gill,...
Chris and his friends are setting off on the first trip ever to be made to the planet Jupiter. One thing puzzles them - they have been given no details of the time the flight will take. But as the space ship continues on its journey they are told that they will travel...
An unmanned space-probe sent to Venus for a preliminary reconnaissance brings back to earth not only vital information but also the spores of a deadly fungus which threatens to blot out mankind completely. Earth's scientists try in vain to devise a weapon to halt its...
Trouble aboard the satellite observatory which has been established to circle the Earth every four hours. It is under the despotic control of a brilliant but unbalanced scientist, Commander Hendricks, who refuses to allow his staff any means of communicating with Earth...
An expedition to Mars is decided on and Chris, Serge, Morrey and Tony are chosen to man it. Unlike their expedition to Venus, this is not a desperate last-minute venture; it is a sober, carefully planned affair. Chris and his friends have no reason to expect anything...
In Operation Columbus a landing was made on the Moon. But the mystery of those sinister domes that had suddenly appeared there - and of the evil grey mist that gathered so unaccountably now and then - was as far from a solution as ever. There was only one possible...
After the radiation bombardment from those mysterious structures on the Moon - chronicled in The Domes of Pico - it was inevitable, of course, that a lunar landing would have to be made; and Chris thought, too, that it was inevitable that he should be chosen for the...
Those mysterious domes on the Moon - what were they? Who built them? Thanks to young Chris Godfrey and his historic rocket-flight they had been photographed from outside the atmosphere; they had been under constant observation by the world's astronomers - but the answer...
If the ladder hadn't slipped when Chris Godfrey was chalking up the sports results - and if Sir George Benson hadn't been passing at that very moment - it might never have happened. It had become imperative to fire a conscious human being into space and Sir George, who...
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