Close Comet and the Milky Way
Comet 252P/Linear’s lovely greenish coma is easy to spot in this expansive southern skyscape. Visible to the naked […]
NASA
Hickson 91 in Piscis Austrinus
Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, […]
The Great Nebula in Carina
In one of the brightest parts of Milky Way lies a nebula where some of the oddest things […]
Rainbow Airglow over the Azores
Why would the sky glow like a giant repeating rainbow? Airglow. Now air glows all of the time, […]
Alaskan Moondogs
What’s happened to the sky? Moonlight illuminates a snowy scene in this night land and skyscape made on […]
A Picturesque Equinox Sunset
What’s that at the end of the road? The Sun. Many towns have roads that run east – […]
3D Ahuna Mons
Get out your red/blue glasses and gaze across Ceres at mysterious mountain Ahuna Mons. Shown in a 3D […]
The W in Cassiopeia
A familiar, zigzag, W pattern in northern constellation Cassiopeia is traced by five bright stars in this colorful […]
Close Comet and Large Magellanic Cloud
Sporting a surprisingly bright, lovely green coma Comet 252P/Linear poses next to the Large Magellanic Cloud in this […]
A Phoenix Aurora over Iceland
All of the other aurora watchers had gone home. By 3:30 am in Iceland, on a quiet night […]