Dr Marco Langbroek  x2 #Vaccinate

@Marco_Langbroek

Dutch archaeologist & Leiden Univ Space Situational Awareness consultant (satellites). Spy sats, meteorites, asteroids. Asteroid (183294). Opinions my own.

Leiden, the Netherlands
langbroek.org
Joined September 2011
3,827 Photos and videos Photos and videos

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  1. Pinned Tweet
    3 Jun 2020

    For those who know how to work with TLE's: I have created a new web resource where I provide pre-flight TLE estimates for upcoming launches:

    12 replies 17 retweets 107 likes
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  2. 20 hours ago

    “Ik denk zelf dat dé verklaring voor de goede cijfers in Portugal is dat de Portugezen niet zo godverdommes achterlijk zijn als de Nederlanders” - ⁦⁩ legt de vinger op veel zere plekken. Nederlanders nemen geen verantwoordelijkheid.

    3 replies 9 retweets 41 likes
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  3. Nov 13

    Quoted in this piece: Pretty certain it is an out-of-focus photo of a bright star. And that the other “zig-zag” images mentioned are due to camera movent.

    3 replies 2 retweets 14 likes
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  4. Nov 13

    There is still kindness in this world….

    This summer our daughter left behind her most beloved toy, Cowie, in a remote campsite in Iceland. 😱 She's been so upset and we've spent months trying (and failing) to arrange a courier to bring Cowie 🐮 home. We’d almost given up hope… BUT THEN… 1/6 A GOOD NEWS thread 🧵🐮
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    6 retweets 20 likes
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  5. Nov 13

    Co-author to this paper

    My second first-author paper has just been published with in Astrodynamics journal (Q1). Thanks to . We analyzed the Falcon 9 deorbit from video recordings. See the paper here:
    21 likes
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  6. Retweeted
    Nov 11

    WOW!! Check out the second engine cutoff captured by last night during the Falcon 9 launch! Beautiful fluid dynamics here in that highly underexpanded exhaust plume

    6 replies 25 retweets 119 likes
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  7. Nov 11

    Wow!

    0:49
    Crew 3 passing by NJ. Hope they saw me waving!
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    2 retweets 17 likes
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  8. Nov 10

    2/2 After almost 8 years of stability at 47.7 E, PAN/Nemesis 1 started to drift eastwards in February of this year, see . For more backgrounds on this enigmatic satellite, see my 2016 article here:

    2 retweets 8 likes
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  9. Nov 10

    1/2 The classified satellite / 1 is still drifting eastwards in GEO. It is currently at 54.8 E, close to YAMAL 402 and the GSAT 8, 16 & 29 grouplet. Image is from the evening of Nov 8 (Leiden, the Netherlands, Canon EOS 80D + Samyang 2.0/135mm, 10s 1000 ISO).

    2 replies 11 retweets 26 likes
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  10. Nov 10

    Ha ha ha!

    The Greek to English translation function on Instagram needs just a tad bit of finessing.
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    1 reply 3 retweets 20 likes
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  11. Retweeted
    Nov 9

    Nice shot by from Gulf Shores, Alabama, of on its way to splashdown near Florida this morning. Original on

    6 retweets 32 likes
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  12. Retweeted
    Nov 9

    Het favoriete object van Anne Hiske - beheerder van onze archeologische collectie - is deze lunula (maan) hanger. 🌙 Afkomstig uit Roomburg, midden jaren 90 gevonden en waarschijnlijk Romeins. Bekijk haar verhaal op onze Instagram! ✨

    1 reply 5 retweets 15 likes
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  13. Retweeted
    Nov 8

    How cool is this!? Crew Dragon Endeavor reentering the atmosphere over the Gulf of Mexico visible over and SELA!!

    62 replies 729 retweets 2,966 likes
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  14. Retweeted
    Nov 9

    Sound up for maximum fun (via )

    1:11
    Replying to @ulmwxr @carl_arredondo and 2 others
    Please excuse the excitement and language. I was overwhelmed
    1 retweet 20 likes
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  15. Retweeted
    Nov 8

    I just saw the Crew-2 Capsule zooming across the horizon on descent towards Pensacola, FL!!!! Short video clip coming to YouTube!!!!

    , , and 3 others
    10 replies 5 retweets 109 likes
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  16. Nov 8

    Weet je hoe intelligent, mooi en sterk je er uit ziet als je aan een ventilator ligt, knul?

    Kan aan mij persoonlijk liggen. Maar is het schijn of echt dat wij zoveel intelligenter, sterker en mooier zijn dan de ? Wij zijn de nieuwe übermensch. Al merken we daar voorlopig niks van.
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    1 reply 1 retweet 29 likes
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  17. Retweeted
    Nov 8

    Er gaat toch echt iets goed mis als mensen zo ontzettend bang zijn voor het corona-vaccin. Dat ze zich liever laten besmetten met corona zelf. (?!!) Dat ze liever 1000 euro betalen voor een QR code.

    Positief getest familielid heeft bezoek gehad van een viavia-kennis die zich graag wil laten besmetten. Ze is banger voor vaccin dan voor virus 😭 Bang om baan te verliezen zonder QR. Ik ben zo boos! Mag je dit dan wel een wappie noemen?
    2 replies 7 retweets 23 likes
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  18. Retweeted
    Nov 5

    Vooruit, nog een korte toegift op m'n -draadje. Zit nóg ondeugender in elkaar dan ik al dacht! 🧵 (1/8)

    97 replies 331 retweets 1,208 likes
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  19. Nov 7

    Raisa ontpopt zich als een anarchiste

    Onthoud goed: als je vrijheid afhankelijk is van bepaalde voorwaarden of gedragingen, ben je niet werkelijk vrij.
    1 reply 6 likes
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  20. Retweeted
    Nov 7

    Due to high winds near the splashdown zone, the Crew-2 mission is now targeting a return to Earth no earlier than 10:33pm ET on Nov. 8. Crew Dragon Endeavour is scheduled to undock from the at 2:05pm ET on Nov. 8. Learn more:

    and
    44 replies 423 retweets 2,707 likes
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  21. Nov 6

    Wat ben je voor een zacht ei, als je problemen hebt met een simpel mondkapje? Ik heb dat van begin af aan al niet gesnapt.

    Mondkapje opnieuw op? Kwart van de Nederlanders is dat niet meer van plan
    1 retweet 31 likes
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