{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T17:27:49Z","timestamp":1792085269704,"version":"4.4.0"},"reference-count":121,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"6745","license":[{"start":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T00:00:00Z","timestamp":1777075200000},"content-version":"vor","delay-in-days":365,"URL":"https:\/\/www.science.org\/content\/page\/science-licenses-journal-article-reuse"}],"content-domain":{"domain":["www.science.org"],"crossmark-restriction":true},"short-container-title":["Science"],"published-print":{"date-parts":[[2025,4,25]]},"abstract":"<jats:p>Exoplanets classified as super-Earths are commonly observed on short-period orbits, close to their host stars, but their abundance on wider orbits is poorly constrained. Gravitational microlensing is sensitive to exoplanets on wide orbits. We observed the microlensing event OGLE-2016-BLG-0007, which indicates an exoplanet with a planet-to-star mass ratio roughly double the Earth-Sun mass ratio, on an orbit longer than Saturn\u2019s. We combined this event with a larger sample from a microlensing survey to determine the distribution of mass ratios for planets on wide orbits. We infer that there are ~0.35 super-Earth planets per star on Jupiter-like orbits. The observations are most consistent with a bimodal distribution, with separate peaks for super-Earths and gas giants. We suggest that this reflects differences in their formation processes.<\/jats:p>","DOI":"10.1126\/science.adn6088","type":"journal-article","created":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T17:59:27Z","timestamp":1745517567000},"page":"400-404","update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":48,"title":["Microlensing events indicate that super-Earth exoplanets are common in Jupiter-like orbits"],"prefix":"10.1126","volume":"388","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6000-3463","authenticated-orcid":true,"given":"Weicheng","family":"Zang","sequence":"first","affiliation":[{"name":"Department of Astronomy, Tsinghua University, Beijing, China."},{"name":"Solar, Stellar, and Planetary Physics Division; Center for Astrophysics, Harvard and Smithsonian, Cambridge, MA, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0314-6000","authenticated-orcid":true,"given":"Youn Kil","family":"Jung","sequence":"additional","affiliation":[{"name":"Optical Astronomy Division, Korea Astronomy and Space Science Institute, Daejeon, Republic of Korea."},{"name":"Department of Astronomy and Space Science, National University of Science and Technology, Korea, Daejeon, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9481-7123","authenticated-orcid":true,"given":"Jennifer C.","family":"Yee","sequence":"additional","affiliation":[{"name":"Solar, Stellar, and Planetary Physics Division; Center for Astrophysics, Harvard and Smithsonian, Cambridge, MA, 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