KUMAR, Aman Priyadarshi M. The Enigma beyond Neptune: Planet Nine or a Second Kuiper Belt?. University of Colorado Honors Journal, [S. l.], p. 202, 2025. DOI: 10.33011/cuhj20253569. Disponível em: https://livecomsjournal.org/index.php/honorsjournal/article/view/3569. Acesso em: 25 apr. 2026.