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This Comet Explosion Was 300 Million Times Stronger Than an Atomic Bomb
What happens when a comet collides with a gas giant? In July 1994, Shoemaker-Levy 9 slammed into Jupiter in a spectacular ...
A 7-Billion-Year-Old Ice Ball Just Entered Our Solar System
A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...
An Interstellar Comet Is Here, and Its Age Is Mind-Bending
After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...
Astronomers think newly discovered comet may be way older than the sun
The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...
3I/ATLAS: Interstellar object 'may be oldest comet ever seen'
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.