Metadata
Author: WikiMatrix
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English[en]
Once Pluto was found, its faintness and lack of a resolvable disc cast doubt on the idea that it was Lowell's Planet X. Estimates of Pluto's mass were revised downward throughout the 20th century.
Tagalog[tl]
Nang natagpuan, ang kalabuan at kakulangan ng naaninag na disc ng Pluto ang nagdulot ng pagdududa sa ideya na ito ang Planet X ni Lowell.