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Can we find floating vegetation on ocean planets?

An illustration depicting seasonal changes in floating vegetation and the resulting periodic changes in water surface reflectance. It is expected to become a novel indicator in searching for life on ocean planets.(credit: Astrobiology Center)

Recent advances in astronomical observations have found a significant number of extrasolar planets that can sustain surface water, and the search for extraterrestrial life on such planets is gaining momentum. A team of astrobiologists has proposed a novel approach for detecting life on ocean planets. By conducting laboratory measurements and satellite remote sensing analyses, they have demonstrated that the reflectance spectrum of floating vegetation could serve as a promising biosignature...

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