Deep Time Scales

Comments focus on debating and emphasizing vast timescales like thousands, millions, or billions of years for geological, evolutionary, or cosmic processes, often contrasting them with short human lifespans or historical periods.

📉 Falling 0.4x Science
3,876
Comments
20
Years Active
5
Top Authors
#9135
Topic ID

Activity Over Time

2007
6
2008
21
2009
26
2010
44
2011
82
2012
62
2013
126
2014
96
2015
116
2016
171
2017
186
2018
241
2019
322
2020
305
2021
407
2022
391
2023
527
2024
376
2025
350
2026
21

Keywords

index.html xkcd.com HD thousands years millions years million years billion years millions thousands thousand dating billion earth

Sample Comments

balfirevic Aug 12, 2022 View on HN

Did you mean hundreds or thounsands of millions of years?

Ididntdothis Sep 9, 2019 View on HN

Maybe a after a couple thousand decades :-)

toasterlovin Nov 10, 2019 View on HN

More like 1000 years, but still: much longer than is useful to anybody alive now.

ummonk Sep 28, 2018 View on HN

Billions of years is a gross understatement.

gojomo Jun 30, 2022 View on HN

Thousands of years, or millions?

cryptonector May 30, 2025 View on HN

Just a few decades out of... millenia.

burrows Oct 3, 2021 View on HN

What timescale are you thinking on, 75 years or 15000 years?

oneshtein Sep 14, 2025 View on HN

Multiple millions by thousands of years. Probably yes.

mirimir Mar 14, 2016 View on HN

It's been a few hundred thousand years, I believe.

mensetmanusman Jul 14, 2023 View on HN

What's a few billion years anyway