Scientists report the discovery of one of the largest objects in the outer solar system. It may be bigger than Pluto; it is certainly much further out than Pluto. Details are still very sketchy, but it seems to be made of ice and rock.
This discovery follows a similar one made last year. That object was given the name Sedna.
As the technology gets better and better, what will we discover? It's a great big universe out there.
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