Cited from A. Loeb: 3I/ATLAS from the Two-meter Twin Telescope in the Canary Islands, August 2, 2025. It shows a faint jet pointed towards the Sun, extending out to a projected distance of about 6,000 kilometers from the nucleus, The direction away from the Sun (where a generic cometary tail…
Category: 3I/ATLAS
Decolonise the Language of Space Exploration
Colonialist is a reference to an interloper; someone who needs to be dislodged, removed, or absorbed by Philip Hall I was born in South Africa. The great grandson of colonialists: Arthur Lewis Hall and Rosalie Powell. My great-grandfather was one of Kitchener’s babes. He was a geologist brought out to…
Gradience, Marginal Cases, and the Problem of 3I/ATLAS
“Naturgemälde” illustration. Bonpland, Aimé and Alexander von Humboldt The Danger of Categorising to the Norm by Phil Hall Human cognition relies on prototypes—idealised examples that define categories (Rosch 1975). A prototypical comet, for instance, exhibits outgassing, a dusty coma, and a visible tail. But when an object deviates from this…
Don’t Panic, 3I/ATLAS is Coming
The trajectory of interstellar comet 3I/ATLAS, photo NASA/JPL-Caltech “Piensas mal y atinaras.”— Old Mexican proverb By Phil Hall While films like Don’t Look Up! highlighted the danger of accidental asteroid impacts, a more disturbing possibility exists: intentional planetary bombardment. An interstellar object traveling at 60 km/s, if artificially directed, could serve as the…
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