Newsletter Insights — advertising rates and audience data for 32K+ newsletters
Browse all →Track Aether Pirates of the Matterium!'s growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (clifhigh.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
clif high's 5GUW reporting. And Woo. Lots of Woo. Explorations of this Matterium & its inhabitants including Space Aliens on the Moon!
Data updated 4 days ago
Avg Comments
298.6
Avg Likes
982.3
Engagement Rate
1.32%· ~1281 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Science
1.32% engagement rate
Score Breakdown
Engagement Score
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
Track CPM rates as they change
Start tracking — freeAether Pirates of the Matterium! reports a rounded subscriber count of 97K. The platform doesn't expose finer-grained numbers, so week-to-week changes below the rounding threshold aren't visible in a chart.
Add to your watchlist to get notified the next time the reported count shifts.
vs 58 newsletters in Science
97K places you in the top 10% of newsletters in this category.
Engagement Rate
1.32%
median: 0.00%
Posts per Week
1.4
median: 0.8
Publishing Consistency
52/100
median: 64/100
Subscribers
97K
median: 2K
Here's what we know about this newsletter's activity:
Publishing Pace
Weekly
Variable
Category Rank
#1 of 258
in Science
Engagement Trend
Consistent
based on recent posts
The Intrinsic Perspective
70K subs
++0.7%/wk
Starts With A Bang
62K subs
The Roots of Progress
58K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of Aether Pirates of the Matterium! vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Weekly
Last published May 14, 2026
Usually publishes Sun
1.4 posts/week avg
Science Pricing
$5/mo median
Your newsletter: Free
Monetization Readiness
Science newsletters typically start charging at ~2K subscribers
Above the typical threshold
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — freeReady for Sponsors
97.0K subscribers and 1.32% engagement — past the threshold where Science newsletters typically attract sponsors.