Hosted on MSN

Astronomers have discovered another puzzling interstellar object—this third one is big, bright and fast

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system late on July 1, 2025. Subscribe to our newsletter for the latest sci-tech ...
SFGate

Astronomers have discovered another puzzling interstellar object − this third one is big, bright and fast

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Current measurements estimate that 3I/ATLAS is about 12 miles (20 kilometers) wide, ...
The Conversation

Astronomers have discovered another puzzling interstellar object − this third one is big, bright and fast

Darryl Z. Seligman is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-2303553. This research award is partially funded by a generous gift of Charles Simonyi to ...