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Carl Sagan - Pale Blue Dot

carlsagandotcom · 5 HN recommenders · 5 recommendation months

YouTube

Recommended by 5 Hacker News commenters across 5 months (2011–2026).

SignalTube analysis

There are too few matching other videos tagged Cosmology & astrophysics for a stable peer comparison. This video has 5 distinct HN recommenders across 5 recommendation months. This is a data-derived comparison, not a human review or quality rating.

33% of its 15 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2011–2026; those years describe discussion history, not upload date. Its verified runtime is 3 minutes 31 seconds. YouTube lists its publication date as 2009-03-24.

Channel / speaker
carlsagandotcom
Verified runtime
3m 31s
YouTube upload date
2009-03-24
Hacker News mention years
2011–2026

SAME TOPIC AND FORMAT

Compare with related videos

2 peers

The comparison cohort uses other other videos in Cosmology & astrophysics. “Shared recommenders” counts HN users who recommended both videos in the source graph.

VideoHN recommendersRecommendation monthsPositive label shareShared recommendersRuntimeUpload date
Carl Sagan - Pale Blue DotCurrent video5533%—3m 31s2009-03-24
VLT (Very Large Telescope) HD Timelapse Footageother · Nicolas Bustos2375%No recorded overlap8m 11s2011-05-18
Stars orbiting the black hole at the heart of the Milky Wayother · European Southern Observatory (ESO)000%No recorded overlap0m 20s2018-07-26

THREE SOURCE-BASED CONTEXT POINTS

Why Hacker News recommends it

15 mentions

Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.

reference2026-04Original HN comment ↗

The archive classifies this as a contextual reference in “NASA Artemis II moon mission live launch broadcast”. Its short rationale: Explains why we look to space to understand Earth's smallness.

strong rec2026-03Original HN comment ↗

The archive classifies this as a strong recommendation in “Artemis II is not safe to fly”. Its short rationale: Should be watched periodically.

reference2023-03Original HN comment ↗

The archive classifies this as a contextual reference in “An Appeal to AI Superintelligence: Reasons to Preserve Humanity”. Its short rationale: the source snapshot has no short rationale for this mention.