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Finding hazardous asteroids using infrared and visible wavelength telescopes
National Academies of Sciences, Engineering, and Medicine (U.S.). Committee on Near Earth Object Observations in the Infrared and Visible Wavelength
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| 자료유형 | E-BOOK |
|---|---|
| 서명/저자사항 | Finding hazardous asteroids using infrared and visible wavelength telescopes/ Committee on Near Earth Object Observations in the Infrared and Visible Wavelengths, Space Studies Board, Division on Engineering and Physical Sciences. |
| 단체저자명 | National Academies of Sciences, Engineering, and Medicine (U.S.). Committee on Near Earth Object Observations in the Infrared and Visible Wavelengths,author. |
| 발행사항 | Washington, DC: the National Academies Press, [2019]. |
| 형태사항 | 1 online resource (xii, 61 pages): color illustrations. |
| 총서사항 | A consensus study report of the National Academies of Sciences, Engineering, Medicine |
| 기타형태 저록 | Finding hazardous asteroids using infrared and visible wavelength telescopes. Washington, DC: National Academies Press, 2019 0309493986 |
| ISBN | 9780309494014 030949401X |
| 서지주기 | Includes bibliographical references. |
| 내용주기 | Introduction and background -- The components of planetary defense -- Current and near-term NEO observation systems -- The advantages of space-based infrared platforms -- Techniques to obtain NEO sizes -- The role of archival data -- Impact hazards not explicitly considered by the George E. Brown, Jr. Act -- Appendixes |
| 요약 | "Near Earth objects (NEOs) have the potential to cause significant damage on Earth. In December 2018, an asteroid exploded in the upper atmosphere over the Bering Sea (western Pacific Ocean) with the explosive force of nearly 10 times that of the Hiroshima bomb. While the frequency of NEO impacts rises in inverse proportion to their sizes, it is still critical to monitor NEO activity in order to prepare defenses for these rare but dangerous threats. Currently, NASA funds a network of ground-based telescopes and a single, soon-to-expire space-based asset to detect and track large asteroids that could cause major damage if they struck Earth. This asset is crucial to NEO tracking as thermal-infrared detection and tracking of asteroids can only be accomplished on a space-based platform. Finding Hazardous Asteroids Using Infrared and Visible Wavelength Telescopes explores the advantages and disadvantages of infrared (IR) technology and visible wavelength observations of NEOs. This report reviews the techniques that could be used to obtain NEO sizes from an infrared spectrum and delineate the associated errors in determining the size. It also evaluates the strengths and weaknesses of these techniques and recommends the most valid techniques that give reproducible results with quantifiable errors"--Publisher's description |
| 일반주제명 | Near-earth asteroids --Risk assessment. Infrared astronomy. Space telescopes. Near-Earth objects. Asteroids --Collisions with Earth. Asteroids --Collisions with Earth. Near-Earth objects. |
| 언어 | 영어 |
| 바로가기 | URL |
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