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A new study spearheaded by Yale astronomer Malena Rice and published in The Astronomical Journal has made a significant discovery about the orbital tilt of planets in pristine solar systems. Contrary to previous assumptions that slanted orbits result from cosmic disturbances, this research suggests that even in stable solar systems, planets can exhibit an orbital tilt of up to 20 degrees.<\/strong><\/p>\n The international research team, led by Assistant Professor Malena Rice from Yale\u2019s Faculty of Arts and Sciences, focused on analyzing multi-planet solar systems that have remained relatively undisturbed since their formation. <\/p>\n The study began with measuring the orbit of TOI-2202 b, a warm Jupiter planet characterized by a larger size than Earth and a shorter orbital period. This measurement was compared with data from the NASA Exoplanet Archive, revealing a typical tilt of up to 20 degrees in similar planets.<\/p>\n Rice highlighted the importance of this discovery in understanding the early development of solar systems, including our own. It indicates that a slight orbital tilt is a normal aspect of solar system formation, aligning Earth\u2019s system with the broader pattern observed in the universe. <\/p>\n Furthermore, this study contributes to Rice\u2019s broader research on \u201chot\u201d Jupiter solar systems, which are characterized by gas giant planets with very short orbital periods. The goal is to understand the causes of the extreme orbital tilt in these systems.<\/p>\n This new study represents the eighth outcome of the Stellar Obliquities in Long-period Exoplanet Systems (SOLES) survey, co-founded by Rice and former Yale postdoctoral fellow Songhu Wang, now at Indiana University. <\/p>\n The study\u2019s co-authors include researchers from Belgium, Spain, Chile, Australia, and the United States. The research emphasizes the role of near-resonant planetary systems as indicators of the initial conditions of exoplanet systems and contributes to our understanding of quiescent planet formation and primordial stellar obliquity distribution.<\/p>\n References:<\/p>\n 1<\/sup> Astronomers find \u2019tilted\u2019 planets even in pristine solar systems \u2013 Yale University \u2013 November 28, 2023<\/p>\n 2<\/sup> Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems \u2013 Rice et al. \u2013 The Astronomical Journal \u2013 2023 \u2013 DOI\u00a010.3847\/1538-3881\/ad09de \u2013 OPEN ACCESS<\/p>\n Featured image: TOI-2202. Two planets orbiting a K-type star, 759 light-years from Earth. Credit: NASA\/Exoplanets<\/em><\/p>\n If you value what we do here, create your ad-free account and support our journalism.<\/p>\n <\/center>\n\n<\/p>\n Sunday, November 26, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n Sunday, November 19, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n Monday, October 30, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n Sunday, October 29, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n Friday, October 27, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n Friday, October 27, 2023<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\nNJIT astronomers reveal unique aurora-like radio emission above sunspot<\/h3>\n
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