Journal of Astronomy and Space Sciences

Occurrence Rate of Sunspots in Solar Cycles 12–25

Jung-Hee Kim, Heon-Young Chang

J. Astron. Space Sci. 2026;43(1):27-34.
https://doi.org/10.5140/JASS.2026.43.1.27

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Deep Learning-Based Prediction of Tool Influence Function for Nanometric Control in Space Optical Material

Seung Ho Han, Jeong-Yeol Han, Jiwoo Lee, Eunsu Park, Seonghwan Choi

J. Astron. Space Sci. 2026;43(1):21-26.
https://doi.org/10.5140/JASS.2026.43.1.21

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Mapping of Patterned Regolith Textures Near the Lunar South Pole

Holly M. Brown, Aaron K. Boyd, Mark S. Robinson, Megan R. Henriksen, Hannes Bernhardt

J. Astron. Space Sci. 2026;43(1):1-19.
https://doi.org/10.5140/JASS.2026.43.1.1

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Luminance Within Lunar Permanently Shadowed Regions

Robert Vernon Wagner, Mark Southwick Robinson

J. Astron. Space Sci. 2025;42(4):97-118.
https://doi.org/10.5140/JASS.2025.42.4.97

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Episodic Mass Wasting and Exposure of High Reflectance Material Within the Shackleton Crater Permanently Shadowed Region

Prasun Mahanti, Shuai Li, Mark S. Robinson, Thomas Watters, Paul Lucey, Brad Jolliff, Madeleine Manheim, Cordell Michaud

J. Astron. Space Sci. 2025;42(4):85-96.
https://doi.org/10.5140/JASS.2025.42.4.85

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Mesoscale Ionospheric Irregularity Oval at High Latitudes Observed by Global GNSS Networks (2010–2024)

Shun-Rong Zhang, Anthea J. Coster, Philip J. Erickson, Larisa P. Goncharenko, Jing Liu

J. Astron. Space Sci. 2025;42(4):119-134.
https://doi.org/10.5140/JASS.2025.42.4.119

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Establishment of a Mid-Latitude Neutron Monitoring Site at Mt. Gamak in Korea

Jongil Jung, Young-Sil Kwak, Jongdae Sohn, Suyeon Oh, Yu Yi, Yongkyun Kim, Seonghwan Choi, Paul Evenson

J. Astron. Space Sci. 2025;42(3):77-84.
https://doi.org/10.5140/JASS.2025.42.3.77

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Main Oscillatory Polar Motion of the Earth and Its Excitation: Investigation in Both the Frequency and Time Domains

Sung-Ho Na, Yu Yi

J. Astron. Space Sci. 2025;42(3):63-76.
https://doi.org/10.5140/JASS.2025.42.3.63

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The Advanced Mesospheric Temperature Mapper: 2-D Measurement of Mesopause Temperatures at King Sejong Station, Antarctica

Ji Eun Kim, Jeong-Han Kim, Geonhwa Jee, Trond S. Trondsen, Craig Unick, Devin Wyatt, Hosik Kam

J. Astron. Space Sci. 2025;42(2):47-61.
https://doi.org/10.5140/JASS.2025.42.2.47

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Classification of Ionograms Obtained from Vertical Incidence Pulsed Ionospheric Radar (VIPIR)/Dynasonde Ionospheric Radar at Jang Bogo Station, Antarctica

Junho Back, Geonhwa Jee, Hyuck-Jin Kwon, Khan-Hyuk Kim, Changsup Lee, Young-Bae Ham, Nikolay Zabotin

J. Astron. Space Sci. 2025;42(2):39-46.
https://doi.org/10.5140/JASS.2025.42.2.39

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Trends of Solar, Interplanetary, and Geomagnetic Parameters during the Recent Five Solar Cycles

Myunghwan Kim, Suyeon Oh

J. Astron. Space Sci. 2025;42(1):29-37.
https://doi.org/10.5140/JASS.2025.42.1.29

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Development of Anisotropic Magnetoresistive (AMR) Sensor Module for the Magnetic Field Instrument of Lunar Lander

Juhyeong Kim, Ho Jin, Young-jun Choi, Hyeonhu Park, Yunho Jang, Seungmin Lee, Hyeonji Kang, Wooin Jo

J. Astron. Space Sci. 2025;42(1):15-27.
https://doi.org/10.5140/JASS.2025.42.1.15

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Challenges to Space Activities in the Context of Mega Satellite Constellations: A Focus on Environmental Impacts

Sheer Abbas

J. Astron. Space Sci. 2025;42(1):1-13.
https://doi.org/10.5140/JASS.2025.42.1.1

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Ground Calibration with Orthogonality Correction for Tri-Axis Fluxgate Magnetometer for CAS500-3

Dooyoung Choi, Seunguk Lee, Jimin Hong, Su-Hwan Park, SeongOg Park, Wonho Cha, Jinkyu Kim, Bonju Gu, Po Gyu Park, Sungjung Joo, Cheong Rim Choi, Dae-Young Lee, Kwangsun Ryu

J. Astron. Space Sci. 2024;41(4):271-281.
https://doi.org/10.5140/JASS.2024.41.4.271

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Geometric Calibration of the ShadowCam Instrument on the Korea Pathfinder Lunar Orbiter

Emerson Jacob Speyerer, Mark Southwick Robinson, David Carl Humm, Nicholas Michael Estes, Victor Hugo Silva, Robert Vernon Wagner, Prasun Mahanti, Scott Michael Brylow

J. Astron. Space Sci. 2024;41(4):249-270.
https://doi.org/10.5140/JASS.2024.41.4.249

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Apprehensions with Regard to Commercial Space Flight: Outlook on Space Law

Sheer Abbas

J. Astron. Space Sci. 2024;41(4):235-247.
https://doi.org/10.5140/JASS.2024.41.4.235

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Hemispheric Asymmetry of Annual/Semi-Annual Oscillations in Mesospheric Neutral Winds and Pressure Between Northern and Southern High Latitude Regions

Hosik Kam, Jeong-Han Kim, Changsup Lee, Yong Ha Kim

J. Astron. Space Sci. 2024;41(4):225-233.
https://doi.org/10.5140/JASS.2024.41.4.225

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Review of Space Debris Modeling Methods and Development Direction of the Korean Space Debris Models

Jinsung Lee, Hangyeol Kim, Eun Jung Choi, Jin Choi, Jiwoong Yu, Junghyun Jo, Jaemyung Ahn

J. Astron. Space Sci. 2024;41(4):209-223.
https://doi.org/10.5140/JASS.2024.41.4.209

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Initial Results of Low Earth Orbit Space Radiation Dosimeter on Board the Next Generation Small Satellite-2

Uk-Won Nam, Won-Kee Park, Sukwon Youn, Jaeyoung Kwak, Jongdae Sohn, Bongkon Moon, Jaejin Lee, Young-Jun Choi, Jungho Kim, Sunghwan Kim, Hongjoo Kim, Hwanbae Park, Sung-Joon Ye, Hongyoung Park, Taeseong Jang

J. Astron. Space Sci. 2024;41(3):195-208.
https://doi.org/10.5140/JASS.2024.41.3.195

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Observational Overview of the May 2024 G5-Level Geomagnetic Storm: From Solar Eruptions to Terrestrial Consequences

Young-Sil Kwak, Jeong-Heon Kim, Sujin Kim, Yukinaga Miyashita, Taeyong Yang, Sung-Hong Park, Eun-Kyung Lim, Jongil Jung, Hosik Kam, Jaewook Lee, Hwanhee Lee, Ji-Hyun Yoo, Haein Lee, Ryun-Young Kwon, Jungjoon Seough, Uk-Won Nam, Woo Kyoung Lee, Junseok Hong, Jongdae Sohn, Jaeyoung Kwak, Hannah Kwak, Rok-Soon Kim, Yeon-Han Kim, Kyung-Suk Cho, Jaeheung Park, Jaejin Lee, Hoang Ngoc Huy Nguyen, Madeeha Talha

J. Astron. Space Sci. 2024;41(3):171-194.
https://doi.org/10.5140/JASS.2024.41.3.171

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