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Because Earth is in the habitable zone of the Sun, this arrangement has informed our understanding of habitability. However, as researchers discover unexpected environments that can sustain life, the requirements for habitability on exoplanets are being redefined. We're learning that even in the habitable zone, planets may not be habitable.
Dec 29, 2023 · As more planetary bodies in our solar system and beyond are investigated for their potential to host conditions favorable to life, researchers are debating how to characterize habitability." Appearing in Nature Astronomy , the paper is titled "Sustained and comparative habitability beyond Earth."
Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and maintain environments hospitable to life. [1] Life may be generated directly on a planet or satellite endogenously or be transferred to it from another body, through a hypothetical process known as panspermia . [ 2 ]
Dec 29, 2023 · Understanding a planet's habitability takes a nuanced perspective that requires astrobiologists and geophysicists to talk to each other." This perspective paper, which appears in the journal Nature Astronomy on December 29, is a collaboration between Caltech scientists on the Pasadena campus and at JPL , which Caltech manages for NASA, along with colleagues representing a variety of fields.
Dec 29, 2023 · Understanding a planet's habitability takes a nuanced perspective that requires astrobiologists and geophysicists to talk to each other." This perspective paper, which appears in the journal Nature Astronomy on December 29, is a collaboration between Caltech scientists on the Pasadena campus and at JPL , which Caltech manages for NASA, along with colleagues representing a variety of fields.
May 3, 2019 · A combination of observations, experiments, and modeling are needed to understand the role of planetary interiors on habitability and guide the search for extraterrestrial life. As exoplanet detection techniques improve, Earth-sized planets are likely to be found in the radiative habitable zone, that is, at distances from their host stars where they could have temperate (about 0° to 100°C ...
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Stephen R. Kane is a Professor of Planetary Astrophysics at the University of California, Riverside who specializes in exoplanetary science and planetary habitability. He grew up in outback Australia where his view of the night sky and fascination with solar system exploration motivated his eventual career path.
