Ex Terra Media, LLC

@mtspace · The Journal of Space Commerce · Substack profile

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Ex Terra Media, LLC has 2,097 followers on Substack as of Nov 1, 2026. 19 publications recommend them, 2 of them new in the last 30 days, and they recommend 17.

Followers read

Last read Nov 1, 2026 (UTC). Followers are not email subscribers. Substack lists only the newest 50 recommendations for each publication, so a recommender count of 50 or more is a floor. History starts Oct 31, 2026; Substack publishes nothing earlier.

Followers
2,097
read Nov 1
Last 7 days
first number on Nov 7
Last 30 days
first number on Nov 30
Subscribers
1.7K+
rounded by Substack
Paid subscribers
none shown
Recommended by
19
+2 in 30 days
Recommends
17
Bestsellers rank
not on a board

Followers by day

Tracking since Oct 31, 2026. 2 days of readings. Substack doesn't publish past follower counts, so history starts the day I first read a writer and grows by one reading every 3 days (daily if it's on your watchlist). The 7-day change appears on Nov 7, the 30-day change on Nov 30. Recommendation dates below go further back: they're Substack's own.

2,0502,0752,1002,1252,150 Oct 31Nov 2Nov 4Nov 6Nov 8Nov 10Nov 12 12 more days to fill this frame 2,097
2,0502,0752,1002,1252,150 Oct 31Nov 4Nov 8 8 more days to fill this frame 2,097
One reading a day, the last of the day. Marked: leaderboard steps (into the top 25, top 10, or #1). Followers are people who follow Ex Terra Media, LLC on Substack; they aren't email subscribers.
Show as a table
Daily readings
DateFollowersChangeSubscribersPaid band
Nov 1, 20262,097+21.7K+
Oct 31, 20262,0951.7K+

Leaderboard positions

Not on a category leaderboard right now

Substack's boards list the top 100 per category, by paid subscribers (Bestsellers) and by recent paid growth (Rising). I read all 66 of them once a day, so a new entry shows up within a day.

Recommendations

19 publications recommend Ex Terra Media, LLC; 2 started in the last 30 days. Ex Terra Media, LLC recommends 17, and 5 of those recommend back. Lists read Oct 31.

Recommend Ex Terra Media, LLC Ex Terra Media, LLC recommends Michael Spencer314k followersDead Reckoningnot trackedmahmoud's Substacknot trackedThe Space Communicators Netwo…not trackedForced Futuresnot trackedBetter Futures Inc.not trackedVlad Alginnot trackedMichael Daily, APRnot trackedValentin's Substacknot tracked Space Ambition93k followersVikram Sekar28k followersForward Futurenot trackedReality not trackedSpace Law and Ethics Substacknot trackedPolicybandnot trackedSpace Curmudgeonnot tracked · mutualzeitenwendenot tracked · mutualClear Orbitnot tracked · mutual Ex Terra Media, LLC 2.1k followers
Recommend them They recommend Michael Spencer314k followersDead Reckoningnot trackedmahmoud's Subst…not trackedThe Space Commu…not trackedForced Futuresnot trackedBetter Futures …not tracked Space Ambition93k followersVikram Sekar28k followersForward Futurenot trackedReality not trackedSpace Law and E…not trackedPolicybandnot tracked Ex Terra Medi… 2.1k followers
The 9 largest publications on each side, by followers. Bigger dot, more followers. Orange: started in the last 30 days. Gray dots: publications I don't track, so no follower count.

When the recommendations started

Sep 23MarSepMarSepMarSep
Live recommendations by the month each began, using Substack's own start date. Removed ones aren't listed by Substack, so they don't appear.
Show as a table
Recommendations started per month
MonthStarted
2023-092
2023-111
2024-061
2024-081
2024-111
2025-031
2025-051
2025-091
2026-023
2026-041
2026-051
2026-071
2026-091
2026-103

Recommended by

  • Michael Spencer314k followers · started Feb 19, 2026
  • Dead Reckoningstarted Oct 23, 2026new
  • mahmoud's Substackstarted Oct 21, 2026new
  • The Space Communicators Networkstarted Oct 3, 2026
  • Forced Futuresstarted Sep 29, 2026
  • Better Futures Inc.started Jul 1, 2026
  • Vlad Alginstarted May 12, 2026
  • Michael Daily, APRstarted Apr 29, 2026
  • Valentin's Substackstarted Feb 10, 2026
  • Lilyeth's Substackstarted Feb 5, 2026
  • Elif’s Substackstarted Sep 2025
  • Space Curmudgeonstarted May 2025 · mutual
  • zeitenwendestarted Mar 2025 · mutual
  • Clear Orbitstarted Nov 2024 · mutual
  • John’s Substackstarted Aug 2024 · mutual
  • Darron’s Substackstarted Jun 2024
  • Dave’s Substackstarted Nov 2023
  • Celestial Citizenstarted Sep 2023 · mutual
  • Ivan’s Substackstarted Sep 2023

Recommends

  • Space Ambition93k followers · started Aug 2023
  • Vikram Sekar28k followers · started Mar 16, 2026
  • Forward Futurestarted May 15, 2026
  • Reality started May 15, 2026
  • Space Law and Ethics Substackstarted May 15, 2026
  • Policybandstarted Jan 1, 2026
  • Space Curmudgeonstarted May 2025 · mutual
  • zeitenwendestarted Apr 2025 · mutual
  • Clear Orbitstarted Mar 2025 · mutual
  • The Past Tense of Tomorrowstarted Oct 2024
  • John’s Substackstarted Sep 2024 · mutual
  • Europe in Spacestarted Aug 2023
  • Celestial Citizenstarted Aug 2023 · mutual
  • Case Closedstarted Aug 2023
  • The China Space Monitorstarted Aug 2023
  • TerraWatch Space Newsletterstarted Aug 2023
  • Ill-Defined Spacestarted Aug 2023

Substack lists the 50 newest recommenders of each publication. I add every recommendation found in the full lists of the 6,392 publications I read, so writers with many recommenders may still be missing a few small ones. "Started" is Substack's date.

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