The New World Atlas of Artificial Sky Brightness
How far are you from a naturally dark night sky? In increasing steps, this world map (medium | […]
Astronomy
From Alpha to Omega in Crete
This beautiful telephoto composition spans light-years in a natural night skyscape from the island of Crete. Looking south, […]
Anticrepuscular Rays over Colorado II
What’s happening over the horizon? Although the scene may appear somehow supernatural, nothing more unusual is occurring than […]
Jupiters Clouds from New Horizons
The New Horizons spacecraft took some stunning images of Jupiter on its way out to Pluto. Famous for […]
Strawberry to Honey Moonrise
Near the horizon the Full Moon often seems to loom large, swollen in appearance by the famous Moon […]
Sagittarius Sunflowers
These three bright nebulae are often featured in telescopic tours of the constellation Sagittarius and the crowded starfields […]
Cirrus over Paris
What’s that over Paris? Cirrus. Typically, cirrus clouds appear white or gray when reflecting sunlight, can appear dark […]
NGC 6814: Grand Design Spiral Galaxy from Hubble
In the center of this serene stellar swirl is likely a harrowing black-hole beast. The surrounding swirl sweeps […]
Sunrise Solstice over Stonehenge
Today the Sun reaches its northernmost point in planet Earth’s sky. Called a solstice, the date traditionally marks […]
Galaxy and Planets Beyond Bristlecone Pines
What’s older than these ancient trees? Nobody you know — but almost everything in the background of this […]