The World

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The two rainbows in this picture taken by an instrument on NASA's Aqua satellite are not actually rainbows at all but a phenomenon known as a glory. Glories and rainbows appear rather sumilar, but rainbows are formed by refraction and reflection, whereas glories are the result of backward diffraction. Glories tend to be circular rings of color, commonly seen from airplanes passing over thin clouds with droplets between 10 and 30 microns in diameter.

Picture of the Day: Double Rainbow From Space!

Short Sharp Science: Double rainbow all across the sky – seen from space

The world.... unedited photo taken from an iPhone 5s by a guy who works for National Geographic. Stunning picture from a little 4 inch phone! Amazing

National Geographic's Jim Richardson is traveling Scotland using nothing but his iPhone to document.

Astronauts on board the International Space Station took this picture of Ile aux Cochons, an island in the southern Indian Ocean that is home to the world's largest colony of King Penguins. The wave clouds form as air rises over the island's summit, falls in its wake, and then continues in a cycle of uplift and descent between bands of moist and dry air, resulting in clouds in the former. Ile aux Cochons is a stratovolcano that rises some 2,500 feet above sea level. It is uninhabited by…

Picture of the Day: Double Rainbow From Space!

Make way for penguins! Beneath the clouds, Ile aux Cochons, inhabited by Earth’s largest colony of King Penguins, free to waddle about in the southern Indian Ocean during their breeding cycle, and to forage the sea for food.

May 21, 2012  The moon crossed between the Earth and the sun resulting in an annular solar eclipse. Because the moon was at its farthest from the Earth during the eclipse, the area of the sun it obscured was the smallest possible, and the ring of sun left shining around the moon was the largest. Above, a picture taken from a rooftop in Tokyo, Japan.

Picture of the Day: Double Rainbow From Space!

An annular eclipse dimmed the skies over parts of Asia and North America, which briefly turned the sun into a blazing ring of fire.