More like Strontium-90

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Singularity SkySeries
series2 books2003
Space opera, tense in tone, about technological singularity, set in other star systems.
“Charles Stross uses the setup for a mix of space opera, economics, and diplomatic intrigue.”
from the catalogue
Start with Singularity Sky →
IliumSeries
series2 books2003
completed
Space opera, about gods.
“The events are set in motion by beings who appear to be ancient Greek gods.”
from the catalogue
Start with Ilium →
DiasporaNovel
Greg Eganstandalone novel1997
Hard science fiction, about mind uploading and space exploration, set in other star systems.
Jean le FlambeurSeries
series3 books2010
Space opera and hard science fiction, about virtual reality, set in other star systems.
“Jean le Flambeur is a master thief broken out of a virtual prison to pull off one more impossible heist, in a solar system reshaped by uploaded minds, post-human factions, and economies built on memory and privacy themselves.”
from the catalogue
Start with The Quantum Thief →
HegiraNovel
Greg Bearstandalone novel1979
Hard science fiction, set in other star systems.
The CultureUniverse
universe21 books1987
Space opera, set in galactic scale.
“No money, no laws, no hunger, no death you didn't choose; a galaxy-spanning anarchy of humans and drones administered, gently and with enormous irony, by superintelligent Minds who name their warships things like *Frank Exchange Of Views*.”
from the catalogue
Start with Consider Phlebas →
includes Culture