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A Deepness in the Sky

A Deepness in the Sky by Vernor Vinge

by Vernor Vinge

Hacker Approved

Shares rank 22 of 179 science fiction novels by recommenders

Recommended as a far-future science fiction novel with memorable alien characters and inventive ideas, praised as one of Vinge's best.

Recommended as a far-future science fiction novel with memorable alien characters and inventive ideas, praised as one of Vinge's best.

22 people gave an opinion

recommend it
21
criticize it
1
approval share
95%
Each figure is one person. RecommendsCriticizes

Recommended in 9 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 21 people recommend itNeeds 10 or more, met.
  • 21 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 9 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Among favorite books of recommenders

    “a book and a character I already enjoy a ton”

    Comment from 2 Oct 2026 in “The Legend of von Neumann (1973) [pdf]”

    “It just might be my most favorite book.”

    Comment from 3 Dec 2025 in “Ask HN: What fiction books would you recommend for programmers?”

    “That's one of my favorite books :)”

    Comment from 20 Apr 2026 in “10 years ago, someone wrote a test for servo that included an expiry in 2026”
  • Far-future setting and spider civilization

    “IMO actually the superior story. It plays in the far future of humanity.”

    Comment from 31 Mar 2026 in “Ollama is now powered by MLX on Apple Silicon in preview”

    “the whole spider civilization angle is so fun”

    Comment from 1 Jul 2026 in “Newly discovered spider builds spring loaded snare to catch ants”
  • Ideas like focus and control

    “It's a good book and you can see how the concept of controlling ubiquitous tech is a thing he tries to do”

    Comment from 4 Aug 2026 in “Prevent cognitive debt by manually retyping LLM-generated code”

    “Vernor Vinge's concept of "focus" in "A deepness in the sky" really clicked with me”

    Comment from 4 Aug 2026 in “Prevent cognitive debt by manually retyping LLM-generated code”

    “Vinge put into mere footnotes what others would use to write entire novels”

    Comment from 16 May 2026 in “We've made the world too complicated”
  • Believable alien and memorable characters

    “didn't feel like a human wearing an alien suit”

    Comment from 6 Mar 2026 in “Wikipedia in read-only mode following mass admin account compromise”

    “one of favorite characters in fiction”

    Comment from 2 Oct 2026 in “The Legend of von Neumann (1973) [pdf]”

Other science fiction novels people recommend

The four most recommended other science fiction novels, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

A Deepness in the Sky by Vernor Vinge compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Project Hail Maryby Andy Weir1172483%12—Approved
There Is No Antimemetics Divisionby qntm983474%91.5 yrs6 ownersApproved
Blindsightby Peter Watts962778%12—Approved
Duneby Frank Herbert822577%12—Approved
A Deepness in the Skyby Vernor VingeThis page21195%9—Approved
See all 179 science fiction novels, ranked

What people said

19 of the 26 comments that mention it, newest first. Each links to the original comment.

“the spiders freezing in A Deepness in the Sky by Vinge”

MixedComment from 5 Oct 2026 in “Blindsight (Watts Novel)”

“a book and a character I already enjoy a ton”

RecommendsComment from 2 Oct 2026 in “The Legend of von Neumann (1973) [pdf]”

“one of favorite characters in fiction”

RecommendsComment from 2 Oct 2026 in “The Legend of von Neumann (1973) [pdf]”

“Oooh those are really good!”

RecommendsComment from 30 Sep 2026 in “Ask HN: What are you reading?”

“Vinge didn't write much, but what he did write I think is very special indeed.”

RecommendsComment from 29 Sep 2026 in “Ask HN: What are you reading?”

“It's a good book and you can see how the concept of controlling ubiquitous tech is a thing he tries to do”

RecommendsComment from 4 Aug 2026 in “Prevent cognitive debt by manually retyping LLM-generated code”

“Vernor Vinge's concept of "focus" in "A deepness in the sky" really clicked with me”

RecommendsComment from 4 Aug 2026 in “Prevent cognitive debt by manually retyping LLM-generated code”

“the whole spider civilization angle is so fun”

RecommendsComment from 1 Jul 2026 in “Newly discovered spider builds spring loaded snare to catch ants”

“a pretty great read and definitely recommended”

RecommendsComment from 24 May 2026 in “Microsoft open-sources "the earliest DOS source code discovered to date"”

“I wish I had read Deepness first”

RecommendsComment from 18 May 2026 in “Accelerando (2005)”

“Vinge put into mere footnotes what others would use to write entire novels”

RecommendsComment from 16 May 2026 in “We've made the world too complicated”

“That's one of my favorite books :)”

RecommendsComment from 20 Apr 2026 in “10 years ago, someone wrote a test for servo that included an expiry in 2026”

“the prequel A Deepness In The Sky is even better”

RecommendsComment from 17 Apr 2026 in “Isaac Asimov: The Last Question”

“Vernor Vinge's trilogy: A Deepness in the Sky, A Fire Upon the Deep, Across Realtime.”

RecommendsComment from 7 Apr 2026 in “Book Review: There Is No Antimemetics Division”

“IMO actually the superior story. It plays in the far future of humanity.”

RecommendsComment from 31 Mar 2026 in “Ollama is now powered by MLX on Apple Silicon in preview”

“didn't feel like a human wearing an alien suit”

RecommendsComment from 6 Mar 2026 in “Wikipedia in read-only mode following mass admin account compromise”

“There's a little throwaway thing in the book that I always liked”

RecommendsComment from 6 Mar 2026 in “Wikipedia in read-only mode following mass admin account compromise”

“It just might be my most favorite book.”

RecommendsComment from 3 Dec 2025 in “Ask HN: What fiction books would you recommend for programmers?”

“I'm finding A Deepness in the Sky pretty drudging to be honest.”

CriticizesComment from 3 Dec 2025 in “Ask HN: What fiction books would you recommend for programmers?”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.