스티븐 호킹은 소행성 충돌이 가장 큰 위협이라 말했습니다.
실제로 소행성 충돌을 대비하여 NASA에서 오늘(24일) 우주선 DART를 발사하였습니다.
https://www.chosun.com/economy/science/2021/11/20/4BAOOQPQFBFHHBR2IJ7TJX63WQ/
다트 우주선은 태양 전지판을 펼치고 10개월 동안 디디모스와 디모르포스 소행성을 향해 날아가 소행성의 궤도를 바꾸는 것이 목표입니다.
과연 이게 가능할까요?
소행성 충돌은 정말 일어날 수 있을까요?
소행성이 충돌한다면 어떻게 될까요?
이와 관련된 영상 함께 보시죠.
4k 영상을 지원합니다.
#마낭경 #지름1키로운석은 #얼마일까
1:28 - 소행성 탐사를X 소행성 탐지를O
3:13 - rublle pilesX rubble pilesO
* * *
Special thanks to:
Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences
Prof. Mark Boslough from Sandia National Labs
Scott Manley: https://www.youtube.com/user/szyzyg
Ryan Wyatt at Morrison Planetarium
Prof. Amy Mainzer
Alexandr Ivanov for the opening shot of Chelyabinsk Meteor
운석 충돌지역 분포 - https://www.jpl.nasa.gov/news/new-map-shows-frequency-of-small-asteroid-impacts-provides-clues-on-larger-asteroid-population
우주 애니메이션 - http://universesandbox.com/
Near-Earth Object - https://wise2.ipac.caltech.edu/docs/release/neowise/#figure1
참고 논문
- Belskaya, I. N., & Shevchenko, V. G. (2000). Opposition effect of asteroids. Icarus, 147(1), 94-105.
- Perna, D., Barucci, M. A., & Fulchignoni, M. (2013). The near-Earth objects and their potential threat to our planet. The Astronomy and Astrophysics Review, 21(1), 65.
- Rumpf, C. M., Lewis, H. G., & Atkinson, P. M. (2017). Population vulnerability models for asteroid impact risk assessment. Meteoritics & Planetary Science, 52(6), 1082-1102.
- Trilling, D. E., Valdes, F., Allen, L., James, D., Fuentes, C., Herrera, D., ... & Rajagopal, J. (2017). The size distribution of near-earth objects larger than 10 m. The Astronomical Journal, 154(4), 170.
- Schweickart, R. L., Lu, E. T., Hut, P., & Chapman, C. R. (2003). The asteroid tugboat. Scientific American, 289(5), 54-61.
- Lu, E. T., & Love, S. G. (2005). Gravitational tractor for towing asteroids. Nature, 438(7065), 177-178.
- Thiry, N., & Vasile, M. (2014). Recent advances in laser ablation modelling for asteroid deflection methods. SPIE Optical Engineering+ Applications, 922608-922608.
- Ahrens, T. J., & Harris, A. W. (1992). Deflection and fragmentation of near-Earth asteroids. Nature, 360(6403), 429-433.
- Bradley, P. A., Plesko, C. S., Clement, R. R., Conlon, L. M., Weaver, R. P., Guzik, J. A., ... & Huebner, W. F. (2010, January). Challenges of deflecting an asteroid or comet nucleus with a nuclear burst. In AIP Conference Proceedings (Vol. 1208, No. 1, pp. 430-437). American Institute of Physics.
음악
https://epidemicsound.com "Stellar Dance" "Orbit" "That Notebook" "What We Discovered" "Out of Poppies" "Handwriting"
Getty Images 에서 이미지와 비디오를 사용했습니다.
Special thanks to:
Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences
Prof. Mark Boslough from Sandia National Labs
Scott Manley: https://www.youtube.com/user/szyzyg
Ryan Wyatt at Morrison Planetarium
Prof. Amy Mainzer
Alexandr Ivanov for the opening shot of Chelyabinsk Meteor
원본영상은 Veritasium 채널에서 감상하실수 있습니다.
Veritasium - https://www.youtube.com/channel/UCHnyfMqiRRG1u-2MsSQLbXA
Asteroids - https://www.youtube.com/watch?v=4Wrc4fHSCpw&t=224s