Reply to post: Re: Planet?

Boffins: There's a ninth planet out there – now we just need to find it

Youngone Silver badge

Re: Planet?

I was wondering how you'd go about proving it had cleared it's orbit too, but at only 10 times the mass of Earth I'm going to guess it's rocky (with an icy crust) like a really big Pluto.

At 200 AU or so, can any boffins guess how long to get there?

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