Free Republic

A new study has proposed the existence of a hidden solar system planet candidate that is smaller and closer to Earth than the infamous, hypothetical Planet X. This new world, dubbed "Planet Y," could be around the same size as Earth and may exist alongside another popular Planet Nine candidate; potentially bringing our solar system's planetary tally to 10, if both can be confirmed. Did the Sun Pull a Rogue Planet into the Solar System? | 10:19 Territory | 123K subscribers | 146,224 views | September 21, 2026 Narrated by Mathew McQuinn

While the world hunts for the elusive Planet Nine, a new gravitational anomaly suggests something much closer is hiding in the dark. This gravitational warp doesn't align with a far-off gas giant, instead, the math points to an Earth-sized rocky planet lurking in the twilight. Something astronomers are calling Planet Y. Did the Sun Pull a Rogue Planet into the Solar System? | 9:53 Territory | 92.6K subscribers | 95,808 views | April 27, 2026

Astronomers from Princeton may have found evidence of a hidden planet -- Planet Y -- orbiting in the far reaches of the Solar System. Could this be the missing world shaping the Kuiper Belt? Watch to find out. A New Planet Discovered? Planet 9 Has a Rival -- Meet Planet Y | 9:45 NASA Space News | 556K subscribers | 28,062 views | October 6, 2025 Chapters: 00:00 Introduction 00:38 The Discovery 03:04 Scientific Importance and Theories 05:30 Implications and What’s Next 08:29 Outro 08:43 Enjoy