If you look in a dark country sky, you’ll easily spot the starlit band of our huge, flat Milky Way galaxy. Every star in our night sky lies inside this galaxy.
Posts by Deborah Byrd
Mercury, Venus, Mars and Jupiter are all close to morning or evening twilight glare in August, 2015. Meanwhile, Saturn is up from nightfall until late night.
Meteor season 2015 is underway, with several showers doing on now and the Perseids gearing up for a great show in a moon-free sky in mid-August. We’ll be posting your photos on this page throughout the coming month.
Many features on Charon informally named from science fiction, particularly Star Trek and Star Wars. Lord of the Rings, Stanley Kubrick also honored.
An artist’s concept – and a real photo – from the first-ever impact from an earthly space probe onto the surface of a comet.
Found on a brown dwarf some 18 light-years away, this aurora is 10,000 times more powerful than any astronomers have witnessed before.
Halos are a sign of high thin cirrus clouds drifting high above our heads. The clouds contain millions of tiny ice crystals, which both refract (split) and also reflect sunlight.
Orion the Hunter – ghost of the shimmering summer dawn – returns to the eastern predawn sky each year in late summer. Watch for it in late July and early August!
The Dawn spacecraft is now moving to its third mapping orbit. Nothing new on the bright spots yet, but the crater that contains them has a new name: Occator.
It struck in Indonesia early today. One person dead. Buildings damaged. No tsunami warning issued. This quake follows a strong earthquake in Alaska yesterday.