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    Nemeski@lemm.ee to Astronomy@mander.xyz · 29 days ago

    New dwarf planet spotted at the edge of the solar system

    www.newscientist.com

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    • cross-posted to:
    • science@hexbear.net
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    New dwarf planet spotted at the edge of the solar system

    www.newscientist.com

    Nemeski@lemm.ee to Astronomy@mander.xyz · 29 days ago
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    • science@hexbear.net
    The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a hidden ninth “Planet X”
    • tiny_hedgehog@lemm.ee
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      29 days ago

      “The object is currently about 90.5 astronomical units (AU) away from us, or roughly 90 times as far from Earth as the sun is.”

      This sentence pissed me off so much and I stopped reading after it.

      It is 90.5 times as far from the Sun as the Earth is from the Sun. Why’d you have to go and change the frame of reference to Earth?

      • Etterra@discuss.online
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        29 days ago

        Well it’s a good frame of reference because it’s where most of us keep all our stuff.

        • Zos_Kia@lemmynsfw.com
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          28 days ago

          Talk about putting all our eggs in the same basket smh

      • Kichae@lemmy.ca
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        29 days ago

        It didn’t. It’s 90.5 AU from us, and us is Earth. Or do you live on the Sun?

        • tiny_hedgehog@lemm.ee
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          29 days ago

          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.

          • lud@lemm.ee
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            28 days ago

            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.

            • tiny_hedgehog@lemm.ee
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              28 days ago

              You are right. I stand corrected.

      • remotelove@lemmy.ca
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        29 days ago

        They didn’t change the reference, they defined an AU.

      • AlbinoPython@lemmy.world
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        29 days ago

        I mean, they said “roughly”.

        • corsicanguppy@lemmy.ca
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          29 days ago

          Like, give or take one AU, throughout the year.

          • tiny_hedgehog@lemm.ee
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            29 days ago

            Fair, but annoying to the pendantic.

      • powerofm@lemmy.ca
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        29 days ago

        “It’s 20.5°C outside or roughly 20 notches on your thermometer (except for americans)”

      • ThermonuclearEgg [she/her, they/them]@hexbear.net
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        29 days ago

        Here’s another article that doesn’t do this for anyone else that would prefer it:

        https://phys.org/news/2025-05-extreme-cousin-pluto-dwarf-planet.html

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