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External Occulters for Direct Observation of Exoplanets: An Overview

机译:外部透镜用于直接观察外产:概述

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Perhaps the most compelling piece of science and exploration now under discussion for future space missions is the direct study of planets circling other stars. Indirect means have established planets as common in the universe but have given us a limited view of their actual characteristics. Direct observation holds the potential to map entire planetary systems, view newly forming planets, find Earth-like planets and perform photometry to search for major surface features. Direct observations will also enable spectroscopy of exoplanets and the search for evidence of simple life in the universe. Recent advances in the design of external occulters - starshades that block the light from the star while passing exoplanet light -have lowered their cost and improved their performance to the point where we can now envision a New Worlds Observer that is both buildable and affordable with today's technology. We will summarize recent studies of such missions and show they provide a very attractive alternative near term mission.
机译:也许现在正在讨论未来的空间任务的最引人注目的科学和探索是对其他星星盘旋的行星的直接研究。间接意味着建立了宇宙中常见的行星,但已经给予了我们实际特征的有限观点。直接观察具有映射整个行星系统的潜力,查看新形成的行星,找到像地球状行星并执行测光以搜索主要表面特征。直接观察还将启用外产的光谱,并寻找宇宙中简单生命的证据。外部透明器设计的最新进展 - 横的八角灯,横穿颗星的光线 - 在通过EXOPLANET LIGHT的同时降低了他们的成本并改善了他们现在可以设想一个新的世界观察者的成本,并将其既与当今可建立且价格合理的观察者技术。我们将总结最近对此类任务的研究,并表明他们提供了一个非常有吸引力的替代方案近期任务。

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