Chrounum wrote: I don't believe in the planet, but I'm making a kind of ARG based on the planet x system, and I was wondering
how large Nibiru is theorized to be.
Nibiru itself is a planet of the Planet X system and is as I know it to be and is claimed to be 4 to 5 times the size of earth. There is also nemesis our suns twin which is said to be massive however stays a good distance from earth during its flyby. I forget the sizes etc that I've read but the info is out there. It also travels with moons possibly another planet or so. Just google Planet X system and go to images and scroll. You'll get a lot of info.
I can understand the difficulty in believing in such but just keep and open mind. Look for ongoing climate chaos and war as potentially martial law. This all came out by NASA in 1983 and published by numerous publishers and within weeks was blacked out by the media.