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Interstellar Object 3I/ATLAS Changed Color Again, And Shows Signs Of Non-Gravitational Acceleration

Behind the Sun, the comet appears to show signs of acceleration beyond what is expected by gravity. And for reasons not yet ...

3I/ATLAS Gets Sudden ‘Nongravitational’ Acceleration’—Harvard Astronomer

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...