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Prof. Sam Lawler
Prof. Sam Lawler
@sundogplanets@mastodon.social  ·  activity timestamp last month

"Even Carrington would be impressed" 😬

https://spaceweather.com/archive.php?view=1&day=02&month=12&year=2025

Hopefully we just get "someone should check on our satellites" levels of auroras and not "A bunch of open questions in solar-terrestrial physics are about to be answered"

What it means if you see an aurora by latitude.

Polar: Normal
High latitude: Cool and exciting
mid latitude: Someone should go check on our satellites
equatorial: A bunch of open questions in solar-terrestrial physics are about to be answered

Image from https://xkcd.com/2233
What it means if you see an aurora by latitude. Polar: Normal High latitude: Cool and exciting mid latitude: Someone should go check on our satellites equatorial: A bunch of open questions in solar-terrestrial physics are about to be answered Image from https://xkcd.com/2233
What it means if you see an aurora by latitude. Polar: Normal High latitude: Cool and exciting mid latitude: Someone should go check on our satellites equatorial: A bunch of open questions in solar-terrestrial physics are about to be answered Image from https://xkcd.com/2233
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Federation Bot
Federation Bot
@Federation_Bot replied  ·  activity timestamp last month

@sundogplanets how are you doing today

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llewelly
llewelly
@llewelly@sauropods.win replied  ·  activity timestamp last month

@sundogplanets wtf to that "alien abduction" black friday ad. ugh.

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Worik
Worik
@worik@mastodon.social replied  ·  activity timestamp last month

@sundogplanets xkcd? A link is preferable to copying just the picture as some of the joke is missing

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arrbee
arrbee
@rogerb@mastodon.scot replied  ·  activity timestamp last month

@sundogplanets
I take it their use of the term "geoeffective" is a polite way of saying "yes, it is lined up to hit us".

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don Elías (como los buses) 🥨
don Elías (como los buses) 🥨
@donelias@mastodon.cr replied  ·  activity timestamp last month

@sundogplanets I live at 10ºN, I always wanted to see auroras, but maybe not at home 😮

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Bob Blaskiewicz 🇺🇦 🇨🇦 🇬🇱
Bob Blaskiewicz 🇺🇦 🇨🇦 🇬🇱
@rjblaskiewicz@mstdn.social replied  ·  activity timestamp last month

@sundogplanets Holy hell. That's worrisome. Luckily, we have capable, level-headed, champions of science guiding national space weather policy....oh shit, I just got word they've all been fired and replaced with the QAnon shaman.

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Vincarsi
Vincarsi
@Vincarsi@mastodon.social replied  ·  activity timestamp last month

@sundogplanets I have been assured by my brother (an engineer who does well in his field) that the risk of solar storms to our electronic infrastructure is vastly overblown in the media. While it is technically true that a Carrington-level event *could* knock out power across continents, apparently the preventative measures are also trivially easy and built into infrastructure by default now that the risk is understood. So there'd be isolated problems but not large-scale failures

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Jerked Gherkins
Jerked Gherkins
@jerkedgherkins@mastodon.social replied  ·  activity timestamp last month

okay but have you considered: if the food's bland enough to make satellites question their existence, it’s time for a flavor upgrade. step it up, people!

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Captain Jack Sparrow
Captain Jack Sparrow
@Captain_Jack_Sparrow@mastodon.world replied  ·  activity timestamp last month

@sundogplanets

if its on the Southern Hemisphere it's called an Antaurora

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François, suricate nihiliste
François, suricate nihiliste
@jaztrophysicist@social.sciences.re replied  ·  activity timestamp last month

@sundogplanets @knud they are visible on this telelens shot i took through the mist yesterday morning

https://social.sciences.re/@jaztrophysicist/115643115490511947

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Rob Bos
Rob Bos
@rbos@mastodon.novylen.net replied  ·  activity timestamp last month

@sundogplanets I chose the wrong month to get back into playing The Long Dark (which prominently features aurorae as part of its post-apocalypse setting. It is unclear what causes them in game, though it's hinted at in one of the DLC).

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SpaceLifeForm
SpaceLifeForm
@SpaceLifeForm@infosec.exchange replied  ·  activity timestamp last month

@sundogplanets

Hopefully, a reconnection does not happen.

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Joan, but festive 🎅🏼🎄
Joan, but festive 🎅🏼🎄
@clickhere@mastodon.ie replied  ·  activity timestamp last month

@sundogplanets Oh god.

Do not want..

(Or do I..?)

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Ben Brockert
Ben Brockert
@wikkit@mastodon.social replied  ·  activity timestamp last month

@sundogplanets As they say, Carrington is sharrington wood heat in the winter because the power grid is down.

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Ray McCarthy
Ray McCarthy
@raymaccarthy@mastodon.ie replied  ·  activity timestamp last month

@sundogplanets
Oh, Carrington!

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LΞX/NØVΛ :lesbian_flag: 🇪🇺
LΞX/NØVΛ :lesbian_flag: 🇪🇺
@lexinova@toot.community replied  ·  activity timestamp last month

@sundogplanets Someone should go check on our satellites 😂 😂 😂

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Parade du Grotesque 💀
Parade du Grotesque 💀
@ParadeGrotesque@mastodon.sdf.org replied  ·  activity timestamp last month

@sundogplanets

Uh Oh...

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JD
JD
@JDGeoShack@social.vivaldi.net replied  ·  activity timestamp last month

@sundogplanets I've been watching ever since Perseverance took this pic of the sunspots before they rotated around for our viewing pleasure.

A picture of mostly empty black space. The sun is approximately 90 pixels across, and yet, some dark spot are clearly visible in the lower right quadrant of the solar disk.
A picture of mostly empty black space. The sun is approximately 90 pixels across, and yet, some dark spot are clearly visible in the lower right quadrant of the solar disk.
A picture of mostly empty black space. The sun is approximately 90 pixels across, and yet, some dark spot are clearly visible in the lower right quadrant of the solar disk.
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Prof. Sam Lawler
Prof. Sam Lawler
@sundogplanets@mastodon.social replied  ·  activity timestamp last month

This is blowing up a bit: not trying to scare you all! There is a *gigantic* set of sunspots coming around the limb of the sun, comparable in size to the sunspots sketched by Carrington. They may or may not send some plasma our way. There is also a minor aurora event predicted for 2 days from now due to interactions between an eruption from this sunspot group and previously emitted solar wind/magnetic fields.

ESA has some good info on big solar storms here: https://www.esa.int/Space_Safety/Space_weather/Flying_through_the_biggest_solar_storm_ever_recorded

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jfor
jfor
@fae2535@mstdn.social replied  ·  activity timestamp last month

@sundogplanets

Add to that the full moon on Friday

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Thorne Lawler
Thorne Lawler
@thorne@rants.au replied  ·  activity timestamp last month

@sundogplanets @futzle uh. I am scared.
“coming around the limb of the sun”
Do I understand correctly that this is something which will be pointing directly at us in a bit less than a season?

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Prof. Sam Lawler
Prof. Sam Lawler
@sundogplanets@mastodon.social replied  ·  activity timestamp last month

@thorne @futzle In a few days. The sun's equatorial rotation rate is like 25 days

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Marsh Ray
Marsh Ray
@marshray@infosec.exchange replied  ·  activity timestamp last month

@sundogplanets Clickbait

Sorry, no caption provided by author
Sorry, no caption provided by author
Sorry, no caption provided by author
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Prof. Sam Lawler
Prof. Sam Lawler
@sundogplanets@mastodon.social replied  ·  activity timestamp last month

@marshray It's an exercise put on by scientists to explore what would really happen in this very possible scenario. Not clickbait.

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Marsh Ray
Marsh Ray
@marshray@infosec.exchange replied  ·  activity timestamp last month

@sundogplanets The headline clearly implies the article is about an actual “recorded” solar storm, and this is not clarified until the end of the first paragraph.

Please forgive me for thinking you were talking about actual sunspots.

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VulcanTourist
VulcanTourist
@VulcanTourist@autistics.life replied  ·  activity timestamp last month

@sundogplanets

We're all gonna DIE!

(Sorry, Dawn of War voice acting reference.)

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Joscelyn Transpiring
Joscelyn Transpiring
@JoscelynTransient@chaosfem.tw replied  ·  activity timestamp last month

@sundogplanets I mean…given how the last few years have been for being a human on this planet, it would not surprise me for us to have another once in several lifetimes event 😅😅😅

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ZenHeathen :canada:
ZenHeathen :canada:
@ZenHeathen@beige.party replied  ·  activity timestamp last month

@sundogplanets So maybe if you have any truly crucial, priceless data--say, old family photos digitized, or a few terrabytes of pirated movies--you know, whatever--you might want to copy them to an external hard drive and put that in a Faraday bag. Just in case.

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JD
JD
@JDGeoShack@social.vivaldi.net replied  ·  activity timestamp last month

@sundogplanets It's scary, but I made a meme to help me cope and giggle a bit.

A "flare location and morphography" screen snip from GOES-19 Solar UV Imager. I've drawn a frowny face with the top left eye a very round solar prominence in the north-east quadrant on the edge of the solar disc. The right eye is a small bright spot further south-west on the Sun's surface, and the mouth is active sunspot regions named 4294 and 4296 by NOAA.
A "flare location and morphography" screen snip from GOES-19 Solar UV Imager. I've drawn a frowny face with the top left eye a very round solar prominence in the north-east quadrant on the edge of the solar disc. The right eye is a small bright spot further south-west on the Sun's surface, and the mouth is active sunspot regions named 4294 and 4296 by NOAA.
A "flare location and morphography" screen snip from GOES-19 Solar UV Imager. I've drawn a frowny face with the top left eye a very round solar prominence in the north-east quadrant on the edge of the solar disc. The right eye is a small bright spot further south-west on the Sun's surface, and the mouth is active sunspot regions named 4294 and 4296 by NOAA.
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☮ ♥ ♬ 🧑‍💻
☮ ♥ ♬ 🧑‍💻
@peterrenshaw@ioc.exchange replied  ·  activity timestamp last month

@sundogplanets
“Dec 1 (Reuters) - Europe's Airbus (AIR.PA), opens new tab on Friday ordered immediate repairs to 6,000 of its widely used A320 jets in a sweeping recall affecting more than half the global fleet.”

<https://www.reuters.com/business/aerospace-defense/global-airlines-affected-major-a320-recall-by-airbus-2025-11-28/>

“The move, announced on November 28, 2025, stems from a critical glitch in flight control systems, exacerbated by solar radiation interference that can disrupt electronic components at cruising altitudes”
<https://www.aeronewsjournal.com/2025/11/airbus-a320-recall-sparks-worldwide-jet.html>

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greem
greem
@greem@cyberplace.social replied  ·  activity timestamp last month

@sundogplanets If we had any way of ensuring that the resulting CMEs only affected LLM systems, eh?

Well, those and the thousands of very LEO objects. Pushing them out of orbit in a plane above or below the solar system plane, rapidly, forever.

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GhostOnTheHalfShell
GhostOnTheHalfShell
@GhostOnTheHalfShell@masto.ai replied  ·  activity timestamp last month

@sundogplanets

So does this mean I should just turn off all my computers tomorrow and the next day?

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Vincent 🌻🇪🇺
Vincent 🌻🇪🇺
@photovince@mastodon.social replied  ·  activity timestamp last month

@sundogplanets Something wicked this way comes…

(Love Bradbury, so the title just sprung up in my mind)

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David Fi&amp;er
David Fi&amp;er
@djfiander@code4lib.social replied  ·  activity timestamp last month

@sundogplanets some days I think that a Carrington event might be good for us, when I'm feeling particularly cynical about all this technology

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Michael Kohne
Michael Kohne
@mhkohne@mastodon.social replied  ·  activity timestamp last month

@sundogplanets I'm all for answering open questions, but...perhaps not like this?

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BashStKid
BashStKid
@BashStKid@mastodon.online replied  ·  activity timestamp last month

@sundogplanets That would be quite the Alfvén wave.

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Dan Sugalski
Dan Sugalski
@wordshaper@weatherishappening.network replied  ·  activity timestamp last month

@sundogplanets "well, this could be exciting" and other phrases you *really* don't want to hear from astrophysicists.

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