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New dwarf planet spotted at the edge of the solar system
(www.newscientist.com)
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this post was submitted on 23 May 2025
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Astronomy
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If we are 1AU from the sun, and this planet is 90AU from the sun, then it is between 89 and 91 AUs from earth depending on the progress of our orbits (assuming perfectly circular orbits). So they did change the frame of reference.
This dwarf planet is 90 AU from US not from the sun. They just said that the dwarf planet is 90 AU away from us and that 1 AU is equal to the distance between the sun and the earth.
But since the dwarf planets orbit is extremely eccentric that varies heavily.
You are right. I stand corrected.