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