Sascha Trippe 🛰️ 사샤 트리페
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saschatrippe.bsky.social
Sascha Trippe 🛰️ 사샤 트리페
@saschatrippe.bsky.social
1.7K followers 750 following 1.1K posts
⭐️ Astronomer – MSc, PhD, Professor (교수)
⭐️ Seoul National University / 서울대학교
⭐️ Black holes, AGN, radio astronomy, VLBI
⭐️ Born at 332 ppm CO₂
⭐️ Trigger warning: math, physics, irony
⭐️ Signature: (+,-,-,-)
Posts Replies Media Videos
saschatrippe.bsky.social
Please excuse my coughing. #AirPollution
Air quality map of Seoul greater area, showing very unhealthy pollution index values in extended regions.
November 24, 2025 at 11:22 PM
saschatrippe.bsky.social
Nice #EAVN25 poster by my student Baek Doohyon with tentative results on Faraday rotation in the jet of 3C279.

#RadioAstronomy
#Extragalactic
🧪🔭
Conference poster by Doohyon Baek et al. titled "Probing the Innermost Jet Profile of 3C279 via Rotation Measure Analysis".
November 18, 2025 at 12:35 PM
saschatrippe.bsky.social
Visit to the Korean VLBI Network 21-meter Pyeongchang Observatory.

#EAVN25 #RadioAstronomy 🔭📡
November 18, 2025 at 8:43 AM
saschatrippe.bsky.social
Nice talk by my "grandstudent" Taeho Kang (UNIST) on the expected imaging capabilities of our #CapellaVLBI 4-station space VLBI network.

#RadioAstronomy #EAVN25
🧪🔭📡🛰️🚀
Title slide: "Optimizing and evaluating space-mm-VLBI" Slide on the Capella orbit design
November 17, 2025 at 8:42 AM
saschatrippe.bsky.social
China is investing big in #RadioAstronomy.

#EAVN25 🧪🔭📡
Talk by Wu Jiang (SHAO) showing 2 new 110–120-meter radio telescopes under construction.
November 17, 2025 at 6:59 AM
saschatrippe.bsky.social
Happening this week.
#EAVN25
#RadioAstronomy
🧪🔭📡

radio.kasi.re.kr/event/event....
Poster of EAVN25 in Pyeongchang, Korea.
November 17, 2025 at 6:50 AM
saschatrippe.bsky.social
GALEX ultraviolet view of Andromeda. Nice! (Image from 2016.) 🧪🔭

www.flickr.com/photos/geckz...
GALEX ultraviolet mosaic of Andromeda, by Judy Schmidt. Source: https://www.flickr.com/photos/geckzilla/26137651424
November 15, 2025 at 1:26 PM
saschatrippe.bsky.social
Autumn ☀️🍂
November 11, 2025 at 6:53 AM
saschatrippe.bsky.social
And this, ladies and gentlemen, is why you should (1) back up your data and servers, and (2) keep local copies of everything important. 🤖
Text message (in Korean) from an airline. ◆국내선 실물 신분증 지참 안내◆ 국가정보자원관리원 화재로 인하여 모바일 신분증과 정부24 등 전산서비스 접속 장애가 발생하고 있습니다. 김포공항 내 무인민원발급기 또한 이용 불가하오니, 공항 이용 시에는 실물 신분증(미성년자의 경우 실물 학생증 등)을 필히 지참해 주시기 바랍니다. Machine translated version of the same text message. ◆Reminder to Bring a Physical ID for Domestic Flights◆ Due to the fire at the National Information Resources Service, access to mobile ID cards and government24 and other computer services is being disrupted. Self-service civil service issuance kiosks at Gimpo Airport are also unavailable, so please be sure to bring a physical ID (e.g., a physical student ID for minors) when using the airport.
October 13, 2025 at 2:24 AM
saschatrippe.bsky.social
#Sunset #추석 #Chuseok
The western sky shortly after sunset.
October 8, 2025 at 2:49 PM
saschatrippe.bsky.social
Gentle reminder: if you have my phone number / messenger ID and something urgent comes up, just call me (secure VoIP preferred). Sending multiple identical emails per day is not helping. 📱
Cartoon of the famous "Just call them!!" meme.
October 3, 2025 at 7:23 AM
saschatrippe.bsky.social
Please tell me you are kidding.
As the system is not backed up externally, all documents stored on the repository have been lost. Government employees have been advised to save all work-related documents on G Drive since 2018, rather than on their computers. Government branches that have exclusively used the system to store work documents are expected to experience significant disruptions to operations. Source: https://m-en.yna.co.kr/view/AEN20251001003851315?section=national/national
October 1, 2025 at 10:04 AM
saschatrippe.bsky.social
Provisions the authors of the German constitution of 1949 included for reasons. Today: freedom of the arts and the sciences.
Article 5 [Freedom of expression, arts and sciences] (1) Every person shall have the right freely to express and disseminate his opinions in speech, writing and pictures and to inform himself without hindrance from generally accessible sources. Freedom of the press and freedom of reporting by means of broadcasts and films shall be guaranteed. There shall be no censorship. (2) These rights shall find their limits in the provisions of general laws, in provisions for the protection of young persons and in the right to personal honour. (3) Arts and sciences, research and teaching shall be free. The freedom of teaching shall not release any person from allegiance to the constitution.
September 18, 2025 at 3:56 AM
saschatrippe.bsky.social
After the storm. ⛅️
Sunshine breaking through rain clouds, Siheung, South Korea.
September 17, 2025 at 9:11 AM
saschatrippe.bsky.social
Not only by dog standards. Else than some humans I happen to know, he at least knows how to organize a manuscript. 😏
Peanuts cartoon. Snoopy typing and thinking: "Book One, Part I, Chapter One, Page 1 – what a great start!"
September 17, 2025 at 3:55 AM
saschatrippe.bsky.social
Also, this.
Source: https://t.me/vxunderground/7093 Text: loT malware (Internet of Things), is a currently fairly generic malware topic. Most loT devices (cameras, washing machines, shit that shouldn't be connected to the internet) are Linux based operating systems. Hence, they have heavy overlap with Linux malware. However, loT devices and loT malware typically revolve around botnets (DDoS) because (usually) loT devices cannot be used for much else other than bandwidth.
September 14, 2025 at 3:23 PM
saschatrippe.bsky.social
Yes. #Linux
Source: https://t.me/vxunderground/7093 Text: Windows malware is the most common and widely studied and discussed. The reason why is that Windows is most commonly used in enterprise environments. That's where malware will drift toward naturally. That's where the money is. Linux malware is far less common due to the rarity of Linux based operating systems in enterprise environments. Yes, of course they exist in enterprise environments, but it's not nearly as common as Windows. Linux malware also has some difficulties whereas Linux users *usually* aren't as ... uneducated ... as Windows users. Basically, Linux is for nerds. It's a little harder to get nerds to detonate malware.
September 14, 2025 at 3:18 PM
saschatrippe.bsky.social
Well, I have experienced quite a few NFRs myself ...
Cartoon by Tom Gauld: "Some usegul new tech terms"
September 14, 2025 at 2:01 PM
saschatrippe.bsky.social
Today I learned, from an H. P. Lovecraft story of all places, that the word "Eskimo" was originally (also) spelled the French way. ❄️
Snippet from Lovecraft's "The Call of Ctulhu": And yet, as the members severally shook their heads and confessed defeat at the Inspector's problem, there was one man in that gathering who suspected a touch of bizarre familiarity in the monstrous shape and writing, and who presently told with some diffidence of the odd trifle he knew. This person was the late William Channing Webb, Professor of Anthropology in Princeton University, and an explorer of no slight note. Professor Webb had been engaged, forty-eight years before, in a tour of Greenland and Iceland in search of some Runic inscriptions which he failed to unearth; and whilst high up on the West Greenland coast had encountered a singular tribe or cult of degenerate **Esquimaux** whose religion, a curious form of devil-worship, chilled him with its deliberate bloodthirstiness and repulsiveness. It was a faith of which
September 14, 2025 at 3:00 AM
saschatrippe.bsky.social
¯\_(ツ)_/¯
Beginning of Wikipedia article "Institute of Noetic Sciences", noting that the article has bern flagged for possibly containing fringe theories without giving proper context.
September 10, 2025 at 1:57 AM
saschatrippe.bsky.social
And no, writing policy documents is not how you secure your network. 🧪🤖
[From the article linked in the previous post] Meanwhile, José Dominguez, the university's chief information security officer, has been working for several years on an update to the school's acceptable use of technology_policy., which is expected to go to the school's Policy Advisory Committee for a final adoption this fall. A draft of the updated policy would expressly prohibit any attempt to locate data on the University of Oregon's network for which "the user does not possess a justifiable business reason for attempting access."
September 6, 2025 at 6:20 AM
saschatrippe.bsky.social
#Summer ☀️
Blue morning sky.
September 1, 2025 at 11:10 PM
saschatrippe.bsky.social
Sabbatical year is over 🫩
Modified Dilbert cartoon: Employees/professors working from home don't want to return to the office/classroom.
August 30, 2025 at 7:59 AM
saschatrippe.bsky.social
Better idea: go to Malaysia and order a Kopi Gao. ☕️
Dilbert cartoon. Wally in a doctor's office. Wally: I DRINK SO MUCH COFFEE THAT I DEVELOPED A TOLERANCE FOR IT. DO YOU HAVE ANY KIND OF MEDICAL-GRADE COFFEE THAT COULD TAKE ME TO THE NEXT LEVEL? Doctor: Yes, but it has terrible side effects. Wally: Skip the details and shove it into my veins.
August 29, 2025 at 3:21 PM
saschatrippe.bsky.social
As it turned out, Moore (who made the allegations in his 1989 book) couldn't actually read the sources he quoted.

[English in alt text]
Another important insight that Magdalena and Martin Gronau have uncovered regarding the use of the diaries is their challenging nature and the resulting distorted reading by Moore. Some of the diaries are poorly preserved. Furthermore, Schrödinger wrote in four different languages ​​(German, English, Spanish, French) and switched between four different scripts (Latin cursive, Kurrentschrift, Gabelsberger shorthand, and ancient Greek characters). Moore was simply unable to read most of the entries. His narrative is based on the few passages he was able to decipher, thus inevitably taking them out of context.
August 22, 2025 at 9:22 AM