Where is Planet 9? [credit: NASA]
This may say something about what is not likely to be true about the mysterious, or mythical, Planet 9 but obviously it’s still all in the realms of theory. If it did form around the sun, how did it get to be so much further away from it than the known major planets in the solar system?
Astronomers at the University of Sheffield have shown that ‘Planet 9’ – an unseen planet on the edge of our solar system – probably formed closer to home than previously thought, reports Phys.org.
A team led by Dr Richard Parker from the University of Sheffield’s Department of Physics and Astronomy has found that Planet 9 is ‘unlikely’ to have been captured from another planetary system, as has previously been suggested, and must have formed around the sun.
The outskirts of the solar system have always been…