Orion now rises in twilight, seemingly enlarged by the Moon illusion. Venus, Saturn, Jupiter, and Mars span the evening sky. And here comes another weird pattern of Jupiter's moons. The post This Week's Sky at a Glance, December 20 – 29 appeared first on Sky & Telescope.

The Southern Hemisphere should get a good show of Comet ATLAS (C/2024 G3). Mid-northern latitude observers not so much. The post Comet ATLAS (C/2024 G3) Kicks off the New Year — What to Expect appeared first on Sky & Telescope.

The full Moon will line up with Jupiter and Aldebaran . . . but how well for you? Saturn gets right (angled) with Fomalhaut and Venus. Saturn's two largest moons will form a double star, and three of Jupiter's moons will triangulate. The post This Week's Sky at a Glance, December 13 – 22 appeared first on Sky & Telescope.

Don't let the cold keep you inside — Jupiter beckons with a brand new storm! The post You're Invited to Jupiter's Big, Bright Opposition Bash appeared first on Sky & Telescope.

The Moon this week shines with Saturn at first quarter, then with Jupiter when full. No surprise; the two giant planets are almost exactly 90° apart. Jupiter is at opposition, and Saturn is at quadrature. The post This Week's Sky at a Glance, December 6 – 15 appeared first on Sky & Telescope.