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This photo of the nearby Sculptor galaxy spans 65,000 light years
Sculptor—officially labeled NGC 253—is considered a starburst galaxy, one heavy with stellar action. It's located 11 million light-years away in the Southern Hemisphere's constellation Sculptor, and ...
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New interstellar object 3I/ATLAS: Everything we know about the rare cosmic visitor
How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...