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Manhattan-sized comet becomes third confirmed interstellar object

Manhattan-sized comet becomes third confirmed interstellar object

Ellsworth Toohey
Jul 03, 2025
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Boing Boing
Boing Boing
Manhattan-sized comet becomes third confirmed interstellar object
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Projected trajectory of interstellar comet 3I/ATLAS (NASA/JPL-Caltech)

At 152,000 miles per hour — fast enough to circle Earth six times in one minute — a massive interstellar comet is passing through our solar system, offering astronomers the first good look at a chunk of another star's leftovers.

"This thing is coming in at such an incredible speed that…

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