Before one such concert I saw a dark crepuscular ray
, the shadow of a cloud below the western horizon, arch all the way across the twilight sky to the east.
Astronomy came to my mind at Marsha Cottrell's strong exhibition, and not just because her works, with their gauzy orbs and crepuscular rays
, invoke what's beautiful and abstract about the field, from early-nineteenth-century celestial diagrams to a view of the moon through a space helmet.
Look for special twilight glows and shadows in the sky: Earth's shadow, crepuscular rays
, the "purple light," and noctilucent clouds (see www.
Sunbeams shining down through clouds are called crepuscular rays
There, Isabel threw the passion of her grief into fern collecting, and Frederic stormed the Blue Mountains capturing the stunning rainstorms over the sea and the drama of crepuscular rays
in crimson sunsets.
When distant clouds block the light from the setting or rising Sun, crepuscular rays
The final images of the film are again aerial views: Dark lines run out from the shore into the sea while crepuscular rays
illuminate the island from above.
Look for Sun dogs, Sun pillars, and radiant crepuscular rays
(see the photo above right) are most spectacular after sunset.
While vacationing on the Tuscan island of Elba, Stefano De Rosa captured this stunning display of crepuscular rays
Within an hour ribbons of airglow could be seen, like ghostly crepuscular rays
, radiating all over the sky.
Rainbows, halos, coronas, glories, twilight glows, crepuscular rays
, and low-Sun phenomena like the green flash are among the sights of the "near sky" I cover about once every three months in this box.