It is now increasingly hard to justify calling Pluto a planet if UB313 is not also given this status.
Since UB313 is decidedly larger than Pluto, it is now increasingly hard to justify calling Pluto a planet if UB313 is not also given this status.
Since UB 313 is decidedly larger than Pluto, it is now increasingly hard to justify calling Pluto a planet if UB 313 is not also given this status.
This is the first measurement of the size.
It would be impolite to Pluto to degrade it to something less.
There's good evidence that it's definitely larger, by quite a bit, than Pluto.
