Thread: Pluto now has 4 known moons.

Originally Posted by grapes

From the article:

Yes, but it originated outside of our galaxy and then merged with us. My point was that I thought I had read something about extragalactic planets and was clarifying to Ray what I had read. I wasn't claiming that the planet is still outside the Milky Way.

Can't really determine if they can be truly classified as planets until we get there to observe and report. Then again, all we can do is make the assumption they are planets. What a world...what a world.

I was under the impression we have seen other planets by honing in on stars and waiting for a planet in move in front and create a shadow. As per the binary moon system, could physics even allow that before the two moons just collapsed into eachother?