The debate about an undiscovered planet X or planet 9 has been going on for more than 100 years.
Articles on Planet 9
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There are suspicions that our solar system could harbour another large planet much further away than Pluto.
The Solar System as we know it doesn’t really make sense without a ninth planet. So then why can’t we find it?
Whether you call it Planet X or Planet Nine, talk of another planet lurking in our Solar system won’t go away. So what does the discovery of a new object – nicknamed “The Goblin” – add to the debate?
To help find Planet 9, you just need a computer and a little astronomy knowledge. Already, 120,000 images have been processed by citizen scientists in just 3 days.
Top contributors
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PhD Candidate, University of Southern Queensland
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Astrophysicist/Cosmologist, Australian National University
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Professor (Astrophysics), University of Southern Queensland
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Profesor de Investigación, Instituto de Astrofísica de Canarias
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Associate Dean of Innovation and Engagement, Swinburne University of Technology
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Investigador científico en astrofísica. Director del Museo de la Ciencia y el Cosmos de Tenerife, Instituto de Astrofísica de Canarias
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Senior Lecturer in Physics, Nottingham Trent University