Plot summary
In the late 21st century Earth is at peace. Humans now command self-replicating machines that create engineering marvels on enormous scales. Artificial habitats dot the Solar System. Anti-matter driven Valkyrie rockets carry explorers to the stars at nearly the speed of light.
Then, swarms of missiles travelling at close to the speed of light hit Earth. Though they are merely boulder-sized chunks of metal, they move fast enough to hit with the force of many nuclear arsenals. They are impossible to track and to stop. Humanity is almost wiped out by the bombardment. [1]
A handful of survivors desperately struggle to escape the alien mop-up fleet. They hide close to the Sun, inside asteroids, beneath the crusts of moons, within ice rings, and in interstellar space. Most are however hunted down and slaughtered.
The last man and woman on Earth are captured as zoo specimens. In the belly of an alien starship, a squid-like being relates to them the pitiless logic behind humankind's execution: the moment humans learned to travel at relativistic speeds was the moment mankind simply became too dangerous a neighbor to have around. The final revelation is that the alien is itself subservient to a powerful artificial intelligence.
Interstellar travel is the hypothetical travel of spacecraft from one star system, solitary star, or planetary system to another. Interstellar travel is expected to prove much more difficult than interplanetary spaceflight due to the vast difference in the scale of the involved distances. Whereas the distance between any two planets in the Solar System is less than 55 astronomical units (AU), stars are typically separated by hundreds of thousands of AU, causing these distances to typically be expressed instead in light-years. Because of the vastness of these distances, non-generational interstellar travel based on known physics would need to occur at a high percentage of the speed of light; even so, travel times would be long, at least decades and perhaps millennia or longer.
Space exploration is the use of astronomy and space technology to explore outer space. While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight. Space exploration, like its classical form astronomy, is one of the main sources for space science.
Apocalyptic and post-apocalyptic fiction is a subgenre of science fiction in which the Earth's civilization is collapsing or has collapsed. The apocalypse event may be climatic, such as runaway climate change; astronomical, such as an impact event; destructive, such as nuclear holocaust or resource depletion; medical, such as a pandemic, whether natural or human-caused; end time, such as the Last Judgment, Second Coming or Ragnarök; or any other scenario in which the outcome is apocalyptic, such as a zombie apocalypse, cybernetic revolt, technological singularity, dysgenics or alien invasion.
A generation ship, generation starship or world ship, is a hypothetical type of interstellar ark starship that travels at sub-light speed. Since such a ship might require hundreds to thousands of years to reach nearby stars, the original occupants of a generation ship would grow old and die, leaving their descendants to continue traveling.
The Berserker series is a series of space opera science fiction short stories and novels by Fred Saberhagen, in which robotic self-replicating machines strive to destroy all life.
The concept of self-replicating spacecraft, as envisioned by mathematician John von Neumann, has been described by futurists and has been discussed across a wide breadth of hard science fiction novels and stories. Self-replicating probes are sometimes referred to as von Neumann probes. Self-replicating spacecraft would in some ways either mimic or echo the features of living organisms or viruses.
The Songs of Distant Earth is a 1986 science fiction novel by British writer Arthur C. Clarke, based upon his 1958 short story of the same title. Of all of his novels, Clarke stated that this was his favourite. Prior to the publishing of the novel, Clarke also wrote a short step outline with the same title, published in Omni magazine and anthologised in The Sentinel in 1983.
Space: Above and Beyond is an American science fiction television series that aired on Fox, created and written by Glen Morgan and James Wong. Planned for five seasons, it only ran for one season from 1995–1996 before being canceled due to low ratings. It was nominated for two Emmy Awards and one Saturn Award. Ranked last in IGN's top 50 Sci-Fi TV Shows, it was described as "yet another sci-fi show that went before its time."
A Bracewell probe is a hypothetical concept for an autonomous interstellar space probe dispatched for the express purpose of communication with one or more alien civilizations. It was proposed by Ronald N. Bracewell in a 1960 paper, as an alternative to interstellar radio communication between widely separated civilizations.
The Alliance–Union universe is a fictional universe created by American writer C. J. Cherryh. It is the setting for a future history series extending from the 21st century into the far future.
Dirge (2000) is a science fiction novel by American writer Alan Dean Foster. The full title is sometimes shown as Dirge: Book Two of The Founding of the Commonwealth.
Artificial intelligence is a recurrent theme in science fiction, whether utopian, emphasising the potential benefits, or dystopian, emphasising the dangers.
Deep space exploration is the branch of astronomy, astronautics and space technology that is involved with exploring the distant regions of outer space. However, there is little consensus on the meaning of "distant" regions. In some contexts, it is used to refer to interstellar space. The International Telecommunication Union defines "deep space" to start at a distance of 2 million km from the Earth's surface. NASA's Deep Space Network has variously used criteria of 16,000 to 32,000 km from Earth. Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft.
Aurora is a 2015 novel by American science fiction author Kim Stanley Robinson. The novel concerns a generation ship built in the style of a Stanford torus traveling to Tau Ceti in order to begin a human colony. The novel's primary narrating voice is the starship's artificial intelligence. The novel was well received by critics.
Death's End is a science fiction novel by the Chinese writer Liu Cixin. It is the third novel in the trilogy titled Remembrance of Earth's Past, following the Hugo Award-winning novel The Three-Body Problem and its sequel, The Dark Forest. The original Chinese version was published in 2010. Ken Liu translated the English edition in 2016. It was a finalist for the 2017 Hugo Award for Best Novel and winner of the 2017 Locus Award for Best Science Fiction Novel.
AI takeover—the idea that some kind of artificial intelligence may supplant humankind as the dominant intelligent species on the planet—is a common theme in science fiction. Famous cultural touchstones include Terminator and The Matrix.
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