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22 junho 2017
Solstice Conjunction over Budapest
Before a solstice Sun rose on June 21, brilliant Venus and an old crescent Moon posed together over Budapest, Hungary for this predawn skyscape. In the foreground the view looks across the Danube river from Buda to Pest toward the dome and peaks of the Hungarian Parliament building. Low clouds are in silhouette against a twilight sky. But far enough above the eastern horizon to catch the sunlight shines another seasonal apparition on that solstice morning, noctilucent clouds. Seen near sunrise and sunset in summer months at high latitudes, the night-shining clouds are formed as water vapor in the cold upper atmosphere condenses on meteoric dust or volcanic ash near the edge of space.
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On a state visit to Indonesia, President Ronald Reagan got a gift from President Suharto. And it...
On a state visit to Indonesia, President Ronald Reagan got a gift from President Suharto. And it caused a diplomatic dilemma. Can you guess what the gift was?
Tupac was first artist to have an album at number one on the...
Tupac was first artist to have an album at number one on the Billboard 200 while in prison.
The White Cliffs of 'Rover'
This image was acquired by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter on April 18, 2017, at 14:04 local Mars time. It reminded the HiRISE team of the rugged and open terrain of a stark shore-line, perhaps of the British Isles.
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The dragon was the symbol of the ancient Dacians, who lived in...
The dragon was the symbol of the ancient Dacians, who lived in and around the Carpathian Mountains and west of the Black Sea. They carried wind sleeves with dragon’s heads as standards in battle. With a breeze they looked like dragons flying through the air. Probably quite terrifying, if you’d never seen anything like it before!
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