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All Journal Mammiri: Jurnal Pengabdian Masyarakat Pinisi: Physics Journal
Irfanita, Resky
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Economics, Econometrics & Finance Energy Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

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Literature Review: The Use of Long-Lived Isotopes in Satellite Electrical Power Systems Nirwana; Wahyuni; Nurmila, St; Irfanita, Resky
Pinisi: Physics Journal Vol. 1 No. 1 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

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Abstract

The use of long-lived isotopes as an energy source in satellite electrical power systems has become a significant focus in modern space technology. One such isotope, Plutonium-238, generates energy through radioactive decay over an extended period, enabling satellites to operate in extreme environments with minimal sunlight. This study aims to gather and analyze literature on the application of long-lived isotopes to enhance the sustainability and reliability of satellite power systems. The method employed is a literature review, which involves examining articles from various academic databases. The data sources consist of six scientific articles and one book relevant to the topic. Findings indicate that the use of long-lived radioactive isotopes, such as Plutonium-238 and Americium-241, has proven effective in sustaining satellite electrical power systems, particularly through Radioisotope Thermoelectric Generator (RTG) technology. These isotopes generate heat through radioactive decay, which is subsequently converted into electrical energy, allowing satellites to operate in extreme conditions and without relying on solar exposure.
Workshop Model dan Asesmen Pembelajaran dalam Kurikulum Merdeka di Madrasah Madani Alauddin Makassar Setiawan, Trisno; Said, Sukmawati; Mega Savira Utami, Ni Wayan; Irfanita, Resky; Nur, Wahyuna
MAMMIRI: JURNAL PENGABDIAN MASYARAKAT Vol. 2 No. 3 (2025): Oktober 2025
Publisher : Education and Talent Development Center Indonesia

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Kurikulum Merdeka merupakan inovasi penting dalam pendidikan Indonesia yang menekankan pembelajaran berpusat pada siswa, penguatan kompetensi, serta pengembangan keterampilan abad ke-21. Namun, masih banyak guru yang menghadapi kendala dalam mengintegrasikan model pembelajaran dengan asesmen yang sesuai. Kegiatan pengabdian kepada masyarakat ini dilaksanakan dalam bentuk workshop di Madrasah Madani Alauddin Makassar dengan melibatkan 25 guru dari berbagai jenjang pendidikan. Metode pelaksanaan meliputi penyampaian materi, diskusi, simulasi, serta evaluasi melalui angket (pre-test dan post-test), observasi, dan wawancara singkat. Hasil pre-test menunjukkan rendahnya pemahaman guru terkait model pembelajaran (28%) dan asesmen (25%). Setelah workshop, terjadi peningkatan signifikan dengan 82% peserta lebih percaya diri merancang pembelajaran adaptif dan 79% memahami asesmen autentik. Observasi menunjukkan keterlibatan aktif peserta dalam diskusi kelompok, simulasi, dan presentasi, sementara 85% peserta menyatakan workshop bermanfaat serta dapat langsung diadaptasi di kelas. Dengan demikian, workshop ini terbukti efektif dalam meningkatkan pemahaman, keterampilan, dan kesiapan guru dalam mengimplementasikan Kurikulum Merdeka.
Co-Authors Mega Savira Utami, Ni Wayan Nirwana Nur, Wahyuna Nurmila, St Riskawati Riskawati, Riskawati Said, Sukmawati Sanusi, Dirgah Kaso Trisno Setiawan, Trisno Utami, Ni Wayan Mega Savira WAHYUNI