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@xkcd@mastodon.xyz · 3d ago

An old astronomer trick for distinguishing the Sun from other stars is to take multiple photos a few minutes apart and overlay them, making the Sun stand out due to its high proper motion.
https://xkcd.com/3219/

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@xkcd@mastodon.xyz · 5d ago

Aww, the oceanic crust and the continental crust are getting married!
https://xkcd.com/3218/

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@xkcd@mastodon.xyz · Mar 10, 2026

As always, you are permitted to call one person for guidance, but that person must be a grandparent.
https://xkcd.com/3217/

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@xkcd@mastodon.xyz · Mar 06, 2026

In contrast to the deep booming sound associated with the cannon in pop culture depictions, recent studies show it actually made more of a 'toot toot!' noise.
https://xkcd.com/3216/

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@xkcd@mastodon.xyz · Mar 04, 2026

This replaces the previous solar activity watch, which was issued last month when the sun took off its sunglasses.
https://xkcd.com/3215/

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@xkcd@mastodon.xyz · Mar 03, 2026

Now that I've finally gotten an electric vehicle, I'm never going back to an acoustic one.
https://xkcd.com/3214/

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@xkcd@mastodon.xyz · Feb 27, 2026

I mean, half of these are undefined. And your multiplication dots are too low; they look like decimal points.
https://xkcd.com/3213/

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@xkcd@mastodon.xyz · Feb 26, 2026

After a lot of analysis, I've determined that they're actually big red dots; they're just very far away.
https://xkcd.com/3212/

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@xkcd@mastodon.xyz · Feb 24, 2026

Oh, and do you have any tips on how to vacuum up copper that's melted into your carpet?
https://xkcd.com/3211/

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@xkcd@mastodon.xyz · Feb 20, 2026

'If you've eliminated a few possibilities and you can't think of any others, your weird theory is proven right' isn't quite as rhetorically compelling.
https://xkcd.com/3210/

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@xkcd@mastodon.xyz · Feb 19, 2026

My icebox plum trap easily captured William Carlos Williams. It took much less work than the infinite looping network of diverging paths I had to build in that yellow wood to ensnare Robert Frost.
https://xkcd.com/3209/

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@xkcd@mastodon.xyz · Feb 16, 2026

People say setting of fireworks indoors is dangerous, but I looked at their energy release and it's like 10^-40 foe; totally negligible.
https://xkcd.com/3208/

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@xkcd@mastodon.xyz · Feb 14, 2026

'The zero line in WMM2025 passes through a lot of population centers; I wonder what year the largest share of the population lived in a zone of less than 5° of declination,' he thought, derailing all other tasks for the rest of the day.
https://xkcd.com/3207/

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@xkcd@mastodon.xyz · Feb 12, 2026

Do YOU remember the skylight being this big?
https://xkcd.com/3206/

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@xkcd@mastodon.xyz · Feb 10, 2026

This dating is corroborated by the presence of stone tools at the site, rather than earlier and less effective helium ones.
https://xkcd.com/3205/

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@xkcd@mastodon.xyz · Feb 06, 2026

Staplers are actually in Pseudosuchia, making them more closely related to crocodiles than to dinosaurs.
https://xkcd.com/3204/

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@xkcd@mastodon.xyz · Feb 05, 2026

The discovery of a fully typographical star system comes with a big asterisk.
https://xkcd.com/3203/

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@xkcd@mastodon.xyz · Feb 02, 2026

Originally, the ceremony used a variety of rodents and mustelids, but over time most people agreed it made sense to standardize on a specific individual ground squirrel in Pennsylvania.
https://xkcd.com/3202/

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@xkcd@mastodon.xyz · Jan 30, 2026

There's also a proof without content of a conjecture without content, but it's left as an exercise for the reader.
https://xkcd.com/3201/

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@xkcd@mastodon.xyz · Jan 28, 2026

Some of the atoms in the molecule are very weakly bound. https://xkcd.com/3200/

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CM Harrington @octothorpe@mastodon.online

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@xkcd@mastodon.xyz · Jan 20, 2026

I've had countless nights where the line never left the bottom zone of the graph, but the few moments where it's climbed all the way to the top have made up for them all. https://xkcd.com/3196/

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@xkcd@mastodon.xyz · Oct 11, 2024

If any of you want to meet some cool local oxygen atoms, I can introduce you!
https://xkcd.com/2997/

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