Quote:
Originally Posted by muthisdev
When I first saw this, I thought this was bullshit.
Mike Brown is a bonafide planet hunter, though. It seems a lot more legit this time around.
Crazy that a gas giant would be out that far.
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how would they know the composition of a planet they aren't even sure exists yet? It's guestimated to be the size of neptune based on gravity alone so even that remains somewhat of a wild guess.