Question

There's New Evidence Of A Distant Ninth Planet In Our Solar System

Answer 1

The information they give towards the end of the clip concerning the orbit and period of this planet is in violation of Kepler's Third Law.

If the orbit is 600 times larger than the Earth's orbit, then the period of revolution should be
600^1.5 = about 15,000 years rather than 20,000.

Answer 2

Answer 3

That's what Neil deGrasse Tyson told me too.  ;-)

Answer 4

Gallifrey?

Answer 5

Brrr... must be cold out there.

Answer 6

Excellent.....how soon can we ship all the Kardashian style reality stars, Justin Bieber and Taylor Swift?  I'll even pump the gas.

Answer 7

There could even be several more yet to be discovered.

Answer 8

They just discovered Vulcan.   I plan to vacation there, once I learn a bit of the language.

Answer 9

Cool!

Answer 10

Yes, it was in the news, and there have been repeatedly articles about one or even more trans-Neptune planets, as Pluto is considered a dwarf planet (probably among other objects in the Kuiper belt):

https://en.wikipedia.org/wiki/Planets_beyond_Neptune

http://news.nationalgeographic.com/news/2012/05/120511-new-planet-solar-system-kuiper-belt-space-science/

https://www.caltech.edu/news/caltech-researchers-find-evidence-real-ninth-planet-49523

http://www.theguardian.com/science/2016/jan/20/ninth-planet-solar-system-edge-discovery-pluto