Astronomy on MSN

The Sky Today on Tuesday, September 23: Neptune at opposition

The solar system's most distant planet, Neptune, is at opposition this morning at 9 A.M. EDT. Like Saturn, it is visible all ...
optics.org

NASA transmits 8-laser beacon over 350 million km in deep-space demo

On December 11th, 2023, the demonstration achieved a historic first by streaming an ultra-high-definition video to Earth from over 19 million miles away (about 80 times the distance between Earth and ...