Say goodbye to the tenth planet

Henbest, Nigel
November 1991
New Scientist;11/30/91, Vol. 132 Issue 1797, p21
Reveals that a survey of the sky at infrared wavelengths has confirmed that there is no tenth planet. Examination of the constellation Centaurus in the southern hemisphere; Belief of astronomers on the orbiting of the Sun beyond Neptune and Pluto by the tenth planet; Analysis of the way in which hypothetical planets affect the motion of Uranus.


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