Life and light: exotic photosynthesis in binary and multiple-star systems.
Life and light: exotic photosynthesis in binary and multiple-star systems.
复制标题
生命与光：双星和多星系统中奇异的光合作用。
作者：
J. T. O’Malley;John A. Raven;C. Cockell;Jane Greaves
通过模拟此类行星接收的光合有效辐射（PAR）水平，评估了双星/多星系统中类地行星承载光合生命的潜力。研究了M星和G星组合在（一）近双星系统;（二）宽双星系统和（三）三星系统中的情况，发现可能存在一系列稳定的辐射环境。这些环境条件允许熟悉的可能性，但也更奇特，光合生命的形式，如红外光合作用和生物体，是专门为特定的光谱龛。
The potential for Earth-like planets within binary/multiple-star systems to host photosynthetic life was evaluated by modeling the levels of photosynthetically active radiation (PAR) such planets receive. Combinations of M and G stars in (i) close-binary systems; (ii) wide-binary systems, and (iii) three-star systems were investigated, and a range of stable radiation environments were found to be possible. These environmental conditions allow for the possibility of familiar, but also more exotic, forms of photosynthetic life, such as IR photosynthesizers and organisms that are specialized for specific spectral niches.