A search for Planet Nine with IRAS and AKARI data

Overview of attention for article published in Publications of the Astronomical Society of Australia, May 2025

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In the top 5% of all research outputs scored by Altmetric
One of the highest-scoring outputs from this source (#3 of 960)
High Attention Score compared to outputs of the same age (99th percentile)
High Attention Score compared to outputs of the same age and source (97th percentile)

Mentioned by

news: 126 news outlets
blogs: 7 blogs
twitter: 76 X users
facebook: 3 Facebook pages
wikipedia: 6 Wikipedia pages

reddit: 12 Redditors
q&a: 1 Q&A thread
video: 10 YouTube creators
bluesky: 92 Bluesky users
podcasts: 6 podcasts

Readers on

mendeley: 3 Mendeley

So far, Altmetric has seen 106 Bluesky posts from 92 Bluesky users, with an upper bound of 563,022 followers.

There was some discussion on here at the time: bsky.app/profile/plut... https://bsky.app/profile/did:plc:edsg22mzbiqbw4i43gecd5ol/post/3lnqm2ymbd22r

This was up on the arXiv back in April of 2025: arxiv.org/abs/2504.17288. The authors did not compute a false-alarm probability. Nor did they consider any of the possible astrophysical backgrounds that might be confused for a planet in one image pair.…

We May Have Found the First Direct Evidence of a "Ninth" Major Planet in the Solar System! #BigData #Analytics #AI #MachineLearning #DataScience #AI #IoT #IIoT #Python #RStats #TensorFlow #JavaScript #ReactJS #CloudComputing #Serverless #DataScientis…

RP @plutokiller.com: I have a couple of thoughts about the new paper the finds a candidate Planet Nine in some old data. First, it is difficult to tell how seriously to take this because a false alarm probability is never discussed, and second, if it is r…

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