//Teacher × Coder × Blogger

Strong Kangaroo

At the boundary of technology and education, recording every moment of daily life with code.

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classTeacher{

subject: [ "지구과학", "정보·컴퓨터"]

skills: ["Python", "JavaScript", "Arduino"... ]

passion: "실험하고 기록하기"

}

Posts

Repairing the Kenko Equatorial Mount Fixed Clutch Lever

While observing the Sun with my students, the clutch lever on the equatorial mount broke.They said they were just turning it when it snapped.It probab...

Observing the Total Lunar Eclipse on March 3, 2026

Right after the new semester started, I found out there would be a total lunar eclipse, so I decided to observe it with the students.Since we would be...

Gyeonggi Earth Science Education Research Association Winter Field Trip to Yeoncheon – Reflections

This winter, the Gyeonggi Earth Science Education Research Association ran a self-directed training program in Yeoncheon that combined a geological field trip and astronomical observation. Last year, when they did the self-directed stargazing training at Jaein Falls, my second child suddenly came down with a fever so I couldn’t go, which really stayed with me. This time I was determined to join. The participation fee was 30,000 won. On top of that, it was possible to get school support for the expenses used for the self-directed training...

Student Astronomy Observation Festival (2025) Participation Review

Around July, a notice about the Student Astronomy Observation Festival arrived from the Korea Astronomy and Space Science Institute. Our club members were already obsessed with collecting KASI merchandise, so we applied without hesitation. Together with another teacher who loves astronomy, a total of 6 students from our school applied. There were quite a few things to handle on the school's side...

Sacheon Aerospace Museum, Museum Visit Review

We recently visited the aerospace museum during our astronomy observation camp. Here is the museum review I’m sharing. 1. Location: It’s about 10 minutes by taxi from Sacheon Bus Terminal, and about 25 minutes by bus or on foot. 2. Interior view: There was a long straight road inside, like an airplane runway. Surrounding it...

Visit to the Jo Gyeong-chul Observatory, a Milky Way Sanctuary

At the suggestion of a biology teacher who really loves astrophotography, we visited the Jo Gyeong-chul Observatory. I thought an observatory would be far from Seoul or Gyeonggi, but it was closer than expected. 1. Location Since it's about an hour's drive away, you can go whenever you want. On the way, beware of unpaved roads due to administrative issues between public institutions.

힘센캥거루

2025년 7월 4일

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