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Posts by
Deborah Byrd
A solargraph over the Kelpies, Scotland
A solargraph is a long-exposure photo showing the sun's path across the sky, day after day. The Kelpies, in Scotland, are said to be the world's largest equine statues.
June 25, 2018
Rosetta spacecraft image archive complete
Rosetta journeyed through space for 12 years and performed early flybys of Earth, Mars and 2 asteroids before arriving at comet 67P/Churyumov-Gerasimenko. It produced nearly 100,000 images. Some of the best, here.
June 24, 2018
The perfect swarm
Fireflies are winged beetles. They use bioluminescence - emitting light due to a chemical reaction in their abdomens - to attract mates or prey.
June 24, 2018
Will ‘slow earthquakes’ along central San Andreas trigger larger quakes?
"Based on our observations, we believe that seismic hazard in California is something that varies over time and is probably higher than what people have thought up to now."
June 22, 2018
Sunset and smoke over Colorado
The last of the evacuation orders for the 416 fire north of Durango, in southwest Colorado, were lifted on June 19, 2018, as rainfall squelched the fire.
June 22, 2018
Lake Superior sediment-heavy after torrential rains
The downpour took place last weekend in parts of the U.S. Upper Midwest - Wisconsin, Minnesota and especially northern Michigan. Satellite images show the effects on Lake Superior, the largest of the Great Lakes of North America.
June 21, 2018
Celebrate the solstice with this cool solargraph
The streaks in the photos are sun-trails - that is, they're the sun moving in its shifting path across our sky from day to day over a 6-month period.
June 21, 2018
Mars dust storm grows global
The storm is now officially "planet-encircling." At Gale Crater, where the Curiosity rover is studying the storm's effects, dust has starkly increased. Meanwhile, the Opportunity rover stays silent.
June 20, 2018
Moai head and Milky Way
No matter where you are on Earth, the richest part of the Milky Way is now coming back into view in the evening. Spectacular everywhere. At Easter Island, awesome!
June 19, 2018
3D view of Amazon rainforest canopy
A rainforest canopy can reach 15 to 20 stories high. It's an ecosystem unto itself. Now - to study drought effects - scientists have made the 1st 3D measurements of rainforest canopies in the Brazilian Amazon.
June 18, 2018
