Chapter
Discovering Planet Nine
06:54 - 16:56 (10:01)
Scientists have discovered a pattern of clustering among long period Kuiper belt objects, suggesting a gravitational pull from a distant Planet Nine, which has yet to be observed directly.
Clips
Planet Nine is believed to be an object in the solar system beyond Neptune's orbit, residing in the second icy asteroid belt.
06:54 - 10:27 (03:33)
Summary
Planet Nine is believed to be an object in the solar system beyond Neptune's orbit, residing in the second icy asteroid belt. This planet has yet to be discovered, but scientists are continuing the search.
ChapterDiscovering Planet Nine
Episode#201 – Konstantin Batygin: Planet 9 and the Edge of Our Solar System
PodcastLex Fridman Podcast
Scientists studying the orbits of objects in the Kuiper belt have found evidence for a distant planet, which they refer to as "Planet Nine".
10:27 - 14:05 (03:37)
Summary
Scientists studying the orbits of objects in the Kuiper belt have found evidence for a distant planet, which they refer to as "Planet Nine". The planet is estimated to have a mass 10 times greater than that of Earth and an orbit that takes roughly 20,000 years to complete.
ChapterDiscovering Planet Nine
Episode#201 – Konstantin Batygin: Planet 9 and the Edge of Our Solar System
PodcastLex Fridman Podcast
Discovering objects in the sky requires telescopes to survey the sky, look for movements, and understand the chances of discovering clusters.
14:05 - 16:56 (02:51)
Summary
Discovering objects in the sky requires telescopes to survey the sky, look for movements, and understand the chances of discovering clusters. It can be difficult because objects in the solar system move, in contrast to random stars, and the distance light has to travel is huge.