참고문헌
- Abdullah, M., Bahari, S.A., Bais, B., Hasbi, A.M., Majid, R., Mokhtar, M., and Syaidah, N., 2015, Space Weather Innovation Competition for School Students in Malaysia. International Journal of Humanities, Arts and Social Sciences, 1(2), 70-74 p.
- Ahn, H.B., Kim, K.W., and Choi, Y.C., 2020, A Study on the Reduction of Cosmic Radiation Exposure by Flight Crew. Journal of the Korean Society for Aviation and Aeronautics, 28(1), 1-6 p. (in Korean)
- Ansdell, M., 2010, Active Space Debris Removal: Needs, Implications, and Recommendations for Today's Geopolitical Environment. journal of Public & International Affairs, 21.
- BIGKinds, 2022, Introduction to news analysis methods. https://www.bigkinds.or.kr/v2/intro/service.do (January 10th 2022)
- Blei, D.M., Jordan, M.I., and Ng, A.Y., 2003, Latent dirichlet allocation. The Journal of Machine Learning Research, 3, 993-1022 p.
- Blei, D.M., and Lafferty, J.D., 2009, Topic Models. In A. Srivastava, & M. Sahami (Eds.), Text Mining: Classification, Clustering and Applications, 71-93 p.
- Bolduc, L., 2002, GIC observations and studies in the Hydro-Quebec power system. Journal of Atmospheric and Solar Terrestrial Physics, 64, 1793-1802 p. https://doi.org/10.1016/S1364-6826(02)00128-1
- Borovicka, J., Spurny, P., Brown, P., Wiegert, P., Kalenda, P., Clark, D., and Shrbeny, L., 2013, The trajectory, structure and origin of the Chelyabinsk asteroidal impactor. Nature, 503(7475), 235-237 p. https://doi.org/10.1038/nature12671
- Brugger, J., Feulner, G., and Petri, S., 2017, Baby, it's cold outside: Climate model simulations of the effects of the asteroid impact at the end of the Cretaceous. Geophysical Research Letters, 44(1), 419-427 p. https://doi.org/10.1002/2016GL072241
- Cho, S.G., 2017, Current status of radar utilization and technology development for space hazard monitoring. The Proceeding of the Korean Institute of Electromagnetic Engineering and Science, 28(2), 12-19 p. (in Korean)
- Choi, H., and Sohn, J.G., 2021, Development of an Teacher Education Program on the Topic of 'Space Hazards and Safety'. School Science Journal, 15(4), 350-365 p. (in Korean) https://doi.org/10.15737/SSJ.15.4.202110.350
- Cliver, E.W., and Dietrich, W.F., 2013, The 1859 space weather event revisited: limits of extreme activity. Journal of Space Weather and Space Climate, 3(A31).
- Damas, M.C., Ngwira, C.M., Cheung, T.D., Marchese, P., Kuznetsova, M., Zheng, Y., ... and Mohamed, A., 2020, A model of an integrated research and education program in space weather at a community college. Space Weather, 18(1).
- Dusenbery, P.B., Harold, J.B., McLain, B., and Curtis, L., 2008, Space weather outreach: an informal education perspective. Advances in Space Research, 42(11), 1837-1843 p. https://doi.org/10.1016/j.asr.2007.06.015
- Han, S., and Lee, D.H., 2019, A Study on Middle School Students' Perceptions ofNatural Disasters Caused by Climate Change. Jounral of Energy and Climate Change Education, 9(2), 161-171 p. (in Korean) https://doi.org/10.22368/KSECCE.2019.9.2.161
- Hong, J.Y., Shin S.H., Seo, W.Y., and Park., J.H., 2015, Study on the Necessities of Space Situational Awareness and the Role of Specialized Organization for Space Environment. 15th The Korean Society for Aeronautical and Space Sciences Conference, 909-912 p. (in Korean)
- Jegal, G.H., 2006, Analysis of contents of natural disaster in high school earth science textbooks and an examination of recognition of science teacher. Unpublished M.S. thesis, Korea National University of Education, Cheongju, Korea, 93 p.
- Kang, S.G., and Shon, Y.J., 2020, Study on the Phenomenon of Early Childhood Private Education through Topic Modeling Analysis: Focusing on Domestic Newspaper Articles and Blogs. Journal of Future Early Childhood Education, 27(1), 177-199 p. (in Korean) https://doi.org/10.22155/jfece.27.1.177.199
- Kartashova, A.P., Popova, O.P., Glazachev, D.O., Jenniskens, P., Emel'yanenko, V.V., Podobnaya, E.D., and Skripnik, A.Y., 2018, Study of injuries from the Chelyabinsk airburst event. Planetary and Space Science, 160, 107-114 p. https://doi.org/10.1016/j.pss.2018.04.019
- Kessler, D.J., Johnson, N.L., Liou, J.C., and Matney, M., 2010, The kessler syndrome: Implications to future space operations. Advances in the Astronautical Sciences, 137(8).
- Kim, S.E., Cho, S.K., and Hong, J.Y., 2016, Public's Recognition of the Space Object's Re-entry Situations and the National Space Disaster. Journal of the Korean Society of Safety, 31(6), 84-92 p. (in Korean) https://doi.org/10.14346/JKOSOS.2016.31.6.84
- Kim, Y.G., Kim H.B., Cho, K.D., and Han, S., 2018, Development and Effect of HTE-STEAM Program: Focused on Case Study Application for Free-Learning Semester. Journal of Korean Society of Earth Science Education, 11(3), 224-236 p. (in Korean) https://doi.org/10.15523/JKSESE.2018.11.3.224
- Kim, Y.H., 2020, Research on Reconstruction of Earth Science Elective Courses for Student-centered Curriculum. Unpublished Ph.d. dissertation, Korea National University of Education, Cheongju, Korea, 245 p.
- Kim, Y.W., 2021, Easy to learn R text mining. Easys Publishing, Seoul, Korea, 344 p. (in Korean)
- Korea Astronomy and Space Science Institute [KASI], 2018a, Actions to satellite crash. Korea Astronomy and Space Science Institute, Daejeon, Korea, 8 p. (in Korean)
- Korea Astronomy and Space Science Institute [KASI], 2018b, Collision and actions of natural space object. Korea Astronomy and Space Science Institute, Daejeon, Korea, 6 p. (in Korean)
- Kwon, E.J., and Kim, B.Y., 2012, Impacts & Countermeasures for Satellite mission control in the Space Environmental changes. Current industrial and technological trends in aerospace, 10(2), 3-11 p. (in Korean)
- Lee, D.K., and Min, Y.K., 2016, A study on the effects of the human environment vulnerability of disaster on perception of social risk: centers on the omnibus survey of disaster and safety perception. Korean Policy Studies Review, 25(1), 33-60 p. (in Korean)
- Min, J.W., and Shim, J.K., 2020, A Study on Analysis of National Petition Datafor Deriving Current Issues in Education. Journal of Creative Information Culture, 6(2), 57-64 p. (in Korean) https://doi.org/10.32823/JCIC.6.2.202008.57
- Ministry of Education [MOE], 2015, 2015 revised science curriculum. No. 2015-74(9). Ministry of Education, Sejong, Korea (in Korean)
- Moon, S., Chung, S., and Chi, S., 2018, Topic Modeling of News Article about International Construction Market Using Latent Dirichlet Allocation. KSCE Journal of Civil and Environmental Engineering Research, 38(4), 595-599 p. (in Korean)
- Na, J.J., and Nam, S.J., 2019, The Meaning of Elementary Students' Perception of Natural Disasters in Geography Education. Journal of Geographic and Environmental Education, 27(3), 1-16 p. (in Korean)
- National Space Situational Awareness Oraganization [NSSAO], 2022, Space Hazarad Term and Artificial Space Object & Natural Space Object Statistics. https://www.nssao.or.kr (January 10th 2022)
- Newman, D., Chemudugunta, C., Smyth, P., and Steyvers, M., 2006, Analyzing entities and topics in news articles using statistical topic models. In Proceedings of the 4th IEEE international conference on Intelligence and Security Informatic, 93-104 p.
- Park, J.K., and Kim, M.G., 2012, Characteristic Analysis of GPS Positioning According to Sunspot Activity. Journal of the Korean cadastre information association, 14(2), 91-98 p. (in Korean)
- Pulkkinen, A., Lindahl, S., Viljanen, A., and Pirjola, R., 2005, Geomagnetic storm of 29-31 October 2003: Geomagnetically induced currents and their relation to problems in the Swedish high-voltage power transmission system. Space Weather, 3(8).
- Sim, J.K., 2021, Analysis of Educational Issues through Topic Modeling of National Petitions Tex. Journal of The Korean Association of Information Education, 25(4), 633-640 p. (in Korean) https://doi.org/10.14352/jkaie.2021.25.4.633
- Sliz?Balogh, J., Horvath, D., Szabo, R., and Horvath, G., 2020, Dynamics of spherical space debris of different sizes falling to Earth. Astronomische Nachrichten, 341(3), 245-257 p. https://doi.org/10.1002/asna.202023688
- Stevens, K., Kegelmeyer, P., Andrzejewski, D., and Buttler, D., 2012, Exploring topic coherence over many models and many topics. In Proceedings of the 2012 joint conference on empirical methods in natural language processing and computational natural language learning, 952-961 p.
- Tracy, B.L., Prantl, F.A., and Quinn, J.M., 1984, Health impact of radioactive debris from the satellite Cosmos 954. Health physics, 47(2), 225-233 p. https://doi.org/10.1097/00004032-198408000-00001
- Wheeler, L.F., and Mathias, D.L., 2019, Probabilistic assessment of Tunguska-scale asteroid impacts. Icarus, 327, 83-96 p. https://doi.org/10.1016/j.icarus.2018.12.017
- Yang, H.H., and Sohn, J.G., 2018, Development of Science Education Program for 'Space Exploration' Based on Future Problem Solving Program. School Science Journal, 12(4), 457-480 p. (in Korean)
- Yoon, S.H., and Kim, K.H., 2021, Expansion of Topic Modeling with Word2Vec and Case Analysis. The Journal of information systems, 30(1), 45-64 p. (in Korean) https://doi.org/10.5859/KAIS.2021.30.1.45
- Yoon, S.U., and Kim, M.C., 2020, Topic Modeling on Fine Dust Issues Using LDA Analysis. Journal of energy engineering, (2), 23-29 p. (in Korean)