A photographer says he feels "very lucky" to have captured Comet C/2025 A6. Also known as Comet Lemmon, it was first detected ...
November 2025 offers a fading green comet, the year’s biggest supermoon, Taurid and Leonid meteors, Orion’s return, and Mercury’s best dawn view.
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Viewing 3I/ATLAS in the USA: When and how you can get a glimpse of a comet from another star system?
For most of the US, the comet will rise about 2 hours before sunrise and set quickly as the Sun climbs — meaning you’ll need ...
Unlike typical comets, 3I/ATLAS has shown strikingly un-comet-like behaviour. At perihelion, the comet will be bombarded by up to 33 gigawatts of solar radiation, possibly altering its speed or ...
The finding is significant because the internal composition of 3I/ATLAS could suggest that the planetary system from which it originates has a unique chemical makeup.
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