https://gadgets.ndtv.com/science/news/planet-nine-satellite-data-iras-infrared-astronomical-satellite-solar-system-reading-data-2615753
Data from almost four decades ago can suggest the presence of a ninth planet in the Solar System. The hypothetical Planet Nine has been in the talks among scientists for some time but no one has yet observed it. Michael Rowan-Robinson, professor of astrophysi…
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