SPACE.com Watch interstellar comet 3I/ATLAS make its closest approach to Earth in free livestream on Dec. 18
The livestream will begin at 11 p.m. EST Dec. 18 (0400 GMT on Dec. 19), weather permitting.
The livestream will begin at 11 p.m. EST Dec. 18 (0400 GMT on Dec. 19), weather permitting.