Is the Hunt For Planet Nine Finally Over?

Have we finally found Planet Nine?
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Is there a massive planet, 10 times the mass of Earth, hiding at the edge of our solar system? This is Planet Nine, the solar system’s greatest cold case, predicted by our models but never seen…. until now. Is the hunt finally nearing its end? In this video, we break down the evidence that might have finally located the "missing" planet.

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0:00 The Search For Planet 9
6:47 Planet Candidates
10:51 Vera Rubin Telescope
12:49 Alternative Explanations
15:04 Could It Be a Black Hole?
15:53 Is Gravity Wrong?

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References:
“Generation of Low-Inclination, Neptune-Crossing TNOs by Planet Nine”, via arxiv.org https://astrumspace.info/planetnine
“A search for Planet Nine with IRAS and AKARI data”, via cambridge.org https://astrumspace.info/irasakari
“A far-infrared search for Planet Nine”, via arxiv.org https://astrumspace.info/nine_hunt
“Rubin Observatory survey capabilities”, via rubinobservatory.org https://astrumspace.info/rubindata
“A Search for Planet Nine using the AKARI survey”, via arxiv.org https://astrumspace.info/akarisearch
“The collective gravity of a primordial scattered disk”, via iopscience.iop.org https://astrumspace.info/scattereddisk
“The Zderic–Madigan belt”, via arxiv.org https://astrumspace.info/zdericmadigan
“What if Planet Nine is a primordial black hole?”, via arxiv.org https://astrumspace.info/pbhplanetnine
“Modified Newtonian dynamics as an alternative to Planet Nine”, via iopscience.iop.org https://astrumspace.info/mondplanetnine
“New evidence suggests an unseen planet in the Solar System”, via livescience.com https://astrumspace.info/unseenplanet

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Credits:
Writer: Chris Bartlett
Video Editor: John Moschopoulos
Researcher: Shourya Shrivastava
Script Editor: Damaris McColgan
Thumbnail Designer: Peter Sheppard
Publishing Lead: Georgina Brenner
Production Manager: Raquel Taylor
Edit Producer: Poppy Pinnock
Head of Astrum: Jess Jordan
Creator of Astrum: Alex McColgan

With special thanks to:
Terry Long Phan
Prof. Tomo Goto
Dr. Ann-Marie Madigan
NASA/ESO/ESA

#Astrum #Space #Planet9