In search of Planet X
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In search of Planet X
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About this listen
Ciaran and Dan look at what makes a planet in this classic episode of Mysteries of Science, and whether there's a mysterious extra planet – Planet X – just beyond Neptune, lurking in our cosmic neighbourhood.
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In the spirit of reconciliation, Audible acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respect to their elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.