Marco Langbroek
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marcolangbroek.bsky.social
Marco Langbroek
@marcolangbroek.bsky.social
Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own.
blog: http://sattrackcam.blogspot.c
Reposted by Marco Langbroek
In this recent blog post I show how publicly available technologies like satellite imagery and SAR can be used to "fact check" aggressive nuclear rhetoric.
November 5, 2025 at 10:10 AM
Reposted by Marco Langbroek
It is perfectly possible (and imho the most likely) that we have a small fraction real hostile drones and a large fraction resulting drone hysteria.

We will not prove or disprove that with these fourth-hand imprecise descriptions of observations matched to flight tracks.
November 10, 2025 at 10:32 AM
Maybe we Dutch ought to resurrect two similar panels just outside the cemetary boundary.
Two panels commemorating the contribution of Black American soldiers towards the liberation of the Netherlands in World War Two have been quietly removed from a cemetery in Limburg. It follows a complaint by right-wing think tank The Heritage Foundation to the American Battle Monuments Commission.
nrc.nl NRC @nrc.nl · 3d
Op Margraten zijn twee panelen over zwarte Amerikaanse bevrijders van Nederland opeens weg. ‘Past bij beleid van de regering-Trump’
November 9, 2025 at 7:18 AM
Reposted by Marco Langbroek
Two panels commemorating the contribution of Black American soldiers towards the liberation of the Netherlands in World War Two have been quietly removed from a cemetery in Limburg. It follows a complaint by right-wing think tank The Heritage Foundation to the American Battle Monuments Commission.
November 8, 2025 at 8:55 PM
1/x
This is likely the reentry of a Chinese CZ-3B upper stage, object nr 44867, 2019-090D
The @spaceflightnow.com webcast team caught a rather spectacular #spacejunk reentry during the #Starlink Group 10-51 launch coverage.

cc John Pisani 📷
x.com/SpaceflightN...
November 8, 2025 at 1:29 PM
Reposted by Marco Langbroek
Soap rond NASA-baas, nieuwe records en vertragingen bij het Chinese ruimtestation en aan datacenters in de ruimte wordt serieus gewerkt. Dat en meer bespreken Herbert Blankesteijn, Philippe Schoonejans en Luc van den Abeelen in deze nieuwe Space Cowboys
www.bnr.nl/podcast/s...
November 5, 2025 at 6:16 PM
Eerder wél een regering met een rechts-extremistische partij aangaan, nu niet met een sociaal-democratische.... VVD, schamen jullie je niet dood?
nos.nl/liveblog/258...
Van der Plas ziet geen rol in nieuw kabinet • JA21 verzet zich tegen uitsluiting PVV
In dit liveblog lees je het laatste politieke nieuws over de start van de formatie voor een nieuw kabinet.
nos.nl
November 5, 2025 at 5:01 PM
Stable Genius paved the way for this...
November 5, 2025 at 2:22 PM
The #UNHA3 upper stage from the #NorthKorean rocket that launched KMS 3-2 in 2012 will have an uncontrolled #reentry today. It is small (2.2 x 1.4m).
Our current Tudat model reentry forecast is 19:21 UTC +- 3.1 h.
Map shows trajectory over window.
November 5, 2025 at 10:24 AM
Reposted by Marco Langbroek
China's human spaceflight agency stated today that the Shenzhou-20 crew spacecraft may have been struck by a small piece of debris. Impact analysis and risk assessment are underway, delaying the crew's return to Earth, originally scheduled for Nov. 5.
mp.weixin.qq.com/s/G3ikYCQLEv...
November 5, 2025 at 7:44 AM
I love the smell of Mustard in the morning. Smells like...victory!
November 4, 2025 at 8:35 PM
LRPT image from the 15:08 CET pass of the Meteor M2-4 satellite. Nice view of the Alps.
November 4, 2025 at 2:33 PM
Wat mij betreft mogen dit soort totaal ongefundeerde anti-democratische claims reden zijn voor een totale uitsluiting van deze en volgende verkiezingen
nos.nl/l/2588722
Gemeenten wijzen aantijgingen Wilders over stemgesjoemel van de hand
Wilders stelt op sociale media dat het "berichten regent" van verdwenen of ongeldig verklaarde stemmen. Experts noemen het trumpiaans.
nos.nl
November 1, 2025 at 7:53 AM
1/x
Navigational Warnings have appeared that point to the (unarmed) test #launch of a US #Minuteman-III #ICBM from Vandenberg targetting the Ronald Reagan Test Site on Kwajalein, Nov 5-6
October 31, 2025 at 12:06 PM
Reposted by Marco Langbroek
Once again urging archaeologists to critically assess the AI push into archaeology. There is a huge swath of problematic ethical issues that come with the AI tech & tech lords & we don't have to make it easier for them to insert themselves in archaeology by welcoming them in. Don't be complicit.
🏺
October 29, 2025 at 12:03 AM
Reposted by Marco Langbroek
European Space Agency launches into defence with military satellite plan 
European Space Agency launches into defence with military satellite plan 
The Paris-based agency is aiming to close out a three-year, €22 billion budget at its next pledging summit in Bremen
dlvr.it
October 29, 2025 at 11:03 AM
Reposted by Marco Langbroek
A major front of the current information war: getting your facts, frames, propaganda, disinformation, etc. into the AI systems that create so much of the content we see and are rapidly becoming the de facto “ground truth” of the internet.
October 27, 2025 at 1:26 PM
imo this is *not* space debris. It appears too fast for that. Rather, it looks like a slow fragmenting meteoric fireball of asteroidal origin, likely dropping meteorites. #Moscow #fireball
#BREAKING | A bright green fireball was observed streaking across the sky of the Russian capital Moscow at approximately 6:30 a.m. local time. Experts attribute it to space debris re-entry.
The Global Eye
#BREAKING | A bright green fireball was observed streaking across the sky of the Russian capital Moscow at approximately 6:30 a.m. local time. Experts attribute it to space debris re-entry. The Globa...
t.me
October 27, 2025 at 12:57 PM
This is actually a really good (and hilarious) English language overview of the myriad of parties on the ballot in the Netherlands during the elections next week!
Looking for an informal guide to all 27 Dutch political parties taking part in next week's elections? Look no further! My good friend Harmony Folz has you covered.... #verkiezingen

harmonyfolz.com/dutch-politi...
Dutch Political Parties in a Nutshell – Harmony
harmonyfolz.com
October 24, 2025 at 8:20 AM
Het begint hier nu echt te waaien (Leiden
October 23, 2025 at 3:06 PM
Alas a lot of RF interference during the pass so parts of image lost, but:
Storm Benjamin over the Netherlands in a Meteor M2-4 LRPT image from 15:27 CEST today.
October 23, 2025 at 1:47 PM
Reposted by Marco Langbroek
Europa zet eerste babystapjes op weg naar een herbruikbare raket en de Russen zetten al hun oude technologie in om toch nog een ruimtestation te bouwen.
Dat en meer bespreken Luc van den Abeelen, Jeffrey Bout en Herbert Blankesteijn in deze SpaceCowboys

www.bnr.nl/podcast/s...
October 22, 2025 at 5:22 PM
LRPT image from the Meteor M2-4 satelloite received during the 15:49 CEST pass
October 22, 2025 at 2:12 PM
Wombat!
Happy World Wombat Day! Sound on to listen to the very soothing munching noises of this chonky wombat...
October 22, 2025 at 12:51 PM