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Mass of Dwarf Planet Eris 27% Greater than Pluto

jcgam69 writes "When it was discovered in 2005, some thought Eris should be considered the 10th planet of our solar system. Everyone still considered Pluto a planet then. At first, Eris was thought to be slightly larger. Now — with the help of Eris' moon — Eris is known to be 27% more massive than Pluto. If Pluto had remained a planet to the entire community of astronomers, surely Eris would be considered the 10th planet."

2 of 220 comments (clear)

  1. grandfathered by Secret+Rabbit · · Score: 0, Flamebait

    I still don't understand why Pluto couldn't be 'grandfathered in' as a planet and still have the new definition. It's a way that everyone could have there way. This new guy would be a 'dwarf planet' (or whatever these politicians want to call it this week) and we'd still have Pluto if only for historical reasons.

    Then again, there are those of us that have just ignored this ruling all together and still consider Pluto a planet.

    Quite frankly, I'm really getting sick of the jackasses sitting around drinking whisky coming up with new names for things from time to time in an attempt to justify there existence. I really don't think that this one is going to be dropped for some time to come.

  2. Pluto had remained a planet by nurb432 · · Score: 0, Flamebait

    It still is. And anyone who disagrees is an idiot.

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    ---- Booth was a patriot ----