At 4 PM EDT, the Moon passed 4° north of Saturn, followed by a passage 3° north of Neptune at 6 PM EDT. Saturn (magnitude 0.6), visible to the naked eye, and Neptune (magnitude 7.7), requiring optical ...
It’s time to add one more tiny moon to Neptune’s icy family tree. Astronomers using the Hubble Space Telescope have spied a previously undetected satellite around the solar system’s eighth planet, ...