How to prove the existence of Planet 9 | Konstantin Batygin and Lex Fridman

TL;DR

The content discusses the evidence for the existence of Planet Nine and explores the possibility of multiple large objects in the Oort Cloud.

Transcript

you said there's a lot of kind of little pieces of evidence for this thing that's planet nine if we were to try to collect more evidence or be certain like a paper that says like you drop it clear we're done what what is that required does that require us sending probes out or do you think we can do it from telescopes here on earth what are the dif... Read More

Key Insights

• ❓ Once Planet Nine is imaged, its existence will be confirmed.
• 🌥️ There is a possibility of multiple large objects in the Oort Cloud, similar to Planet Nine.
• 🥺 Discovering Planet Nine could lead to further exploration and discoveries in the solar system.
• ⚾ The discovery of Neptune was based on mathematical calculations rather than direct observation.
• 🦾 The understanding of where to look for Planet Nine comes from celestial mechanics.
• 💆 Current predictions suggest the existence and mass of Planet Nine, but its precise location is unknown.
• 🪡 Observational surveys need to sample enough of the solar system to reveal interesting findings.

Questions & Answers

Q: How can we obtain conclusive evidence for Planet Nine?

Conclusive evidence for Planet Nine can be obtained by imaging it from a telescope on Earth. Once we see something reflecting sunlight and know it is much farther away from the sun than the Earth, we can be certain of its existence.

Q: Can there be multiple objects like Planet Nine in the solar system?

In principle, multiple objects like Planet Nine could exist in the solar system. However, there is currently no evidence for the existence of multiple large objects in the Oort Cloud.

Q: Could discovering Planet Nine lead to the discovery of more objects in the solar system?

It is plausible that discovering Planet Nine could act as a springboard for further exploration. The Oort Cloud itself contains a significant amount of material, and as observational surveys sample more of the solar system, interesting discoveries may be made.

Q: How was Neptune discovered?

Neptune was not discovered by directly observing the sky. Its existence was mathematically predicted based on the irregularities in Uranus's orbit. The calculations led to the identification of Neptune's presence before it was physically observed.

Summary & Key Takeaways

• There is significant evidence for the existence of Planet Nine, and once it is imaged from a telescope on Earth, its existence will be confirmed.

• It is possible for there to be multiple large objects like Planet Nine in the Oort Cloud, although there is no current evidence for this.

• Discovering Planet Nine could lead to further exploration and discoveries in the solar system.