Stack Exchange — astronomy.stackexchange.com
The content of astronomy.stackexchange.com (https://astronomy.stackexchange.com/), a Stack Exchange question-and-answer site, as published in the Stack Exchange Data Dump of April 2024 on the Internet Archive. The posts table holds 116,434 rows: 35,836 posts (14,653 questions, 20,328 answers, 425 tag wiki excerpts, 425 tag wikis, 2 posts of type 6 and 3 posts of type 7) and 80,598 comments, written between 24 September 2013 and 31 March 2024. Beside it are 39,348 user accounts, 237,730 votes, 64,722 badges awarded, 590 tags, 118,097 post revisions and 6,552 links between posts. Every answer keeps the question it answers and every comment the post it was written on, so the threads can be rebuilt. The Internet Archive item describes the dump as anonymised; the votes table names the voter in only 562 rows.
Cite this dataset at
stackexchange-astronomy.echo.directory
Analytics
The full graph has 7,452 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.
Topic 0
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
Topic 6
Topic 7
Topic 8
Topic 9
Topic 10
Topic 11
Show all 15 topics
Topic 12
Topic 13
Topic 14
Computed over the full corpus.
Record
- Catalog key
stackexchange-astronomy-stackexchange-com- Authors
- Stack Exchange, Inc.
- Year
- 2024
- Source paper
- Stack Exchange Data Dump
- License
- CC BY-SA 3.0 / 4.0 (by contribution date) (CC-BY-SA-3.0 AND CC-BY-SA-4.0)
- Records
- 131,427
- Nodes
- 7,452
- Edges
- 15,893 (directed)
- Nodes are
- user (Stack Exchange account)
- Edges are
- answer collaboration (A answered B's question)
- Attributes
- nodes have attributes; edges have attributes
- Text corpus
- question titles, post bodies, comment text, tag names
- Languages
- en
- Collected
- 2013/2024 (2010s, 2020s)
- Tasks
- From the graph: link prediction, community detection
- Region
- Global (inferred: the platform is used worldwide)
Provenance
- Originally published at
- https://archive.org/details/stackexchange link checked
- Original files as received
- The source files, unconverted, kept for reference: mirrored on echo.directory on 2026-10-09, 49.0 MB across 1 files. Checksums in MANIFEST.json. For use, start with the data package below.
- Data package
- Version 1.0.0 of this dataset as an ECHO Data Package: posts (116,434 rows), users (39,348 rows), x_votes (237,730 rows), x_badges (64,722 rows), x_tags (590 rows), x_post_history (118,097 rows), x_post_links (6,552 rows).
- Structure
- Temporal (timestamped), Node attributes, Text, Threaded conversations
How to cite
BibTeX
@misc{echo2026,
title = {ECHO: Exploratory Compendium of Humanity Online},
author = {Switzer, Braden and Zafarani, Reza},
year = {2026},
url = {https://echo.directory},
note = {Syracuse University}
}
@misc{stackexchange_2024,
title = {Stack Exchange Data Dump},
author = {{Stack Exchange, Inc.}},
year = {2024},
month = {apr},
publisher = {Internet Archive},
url = {https://archive.org/details/stackexchange}
} APA
Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory
Stack Exchange, Inc. (2024). Stack Exchange — astronomy.stackexchange.com [Data set]. https://stackexchange-astronomy.echo.directory/
MLA
Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.
Stack Exchange, Inc. Stack Exchange — astronomy.stackexchange.com. 2024, stackexchange-astronomy.echo.directory/.