This is one of the most remarkable books of this genre i have read to date. Most sf readers do, this does it very well. A mostly enjoyable listen.

The moon is destroyed by an unknown force, forcing earth to attempt a plan to ensure the survival of humanity off-planet. The book is a pure sci-fi thrill, with a lot of physics involved. The author's descriptions of the weightless environment along w...  Read More

Due to that, some runaways remain unanswered. That's not important to the story, but was an unanswered question. The fate of the humane race is at stake.

Cixin liu's book was even better (the three body problem or in german die drei sonne - the three suns) this book is atrocious. The author spends endless pages describing how to change orbits, clone dna, get from the surface to someplace else while lea...  Read More

The genetics of the pingers is impossible. Made up technical mumbo jumbo. It posits a gene-based societal future that bears no resemblance to how people (in post-tribal societies) actually behave. There are statistical leanings and not true for all id...  Read More

Things above geostationary orbit drift away from earth not toward it. End of story.

It's not worth contemplating a future world without that whole. As long as you finish the story there and humans cease to exist, no point to the death, just death.