"What other celestial objects (besides the sun) have a strong enough gravitational pull to distort the orbital paths of some planets such as Pluto?"
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Planets for Brown Dwarfs?
Scientists from NAI’s University of Arizona Lead Team have used the NASA Spitzer Space Telescope to observe the very beginnings of what might become planets around brown dwarfs. They publish their results this week in Science.
Source: [Link]
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