{"id":"seligman2024two","DOI":"10.1073/pnas.2406424121","URL":"https://doi.org/10.1073/pnas.2406424121","type":"article-journal","title":"Two distinct populations of dark comets delineated by orbits and sizes","author":[{"given":"Darryl Z.","family":"Seligman"},{"given":"Davide","family":"Farnocchia"},{"given":"Marco","family":"Micheli"},{"given":"Olivier R.","family":"Hainaut"},{"given":"Henry H.","family":"Hsieh"},{"given":"Adina D.","family":"Feinstein"},{"given":"Steven R.","family":"Chesley"},{"given":"Aster G.","family":"Taylor"},{"given":"Joseph","family":"Masiero"},{"given":"Karen J.","family":"Meech"}],"issued":{"date-parts":[[2024]]},"year-text":"2024","container-title":"Proceedings of the National Academy of Sciences","catalog-key":"SRC0CSKB96C0KDQ"}