Tag Archives: APOD

Throwback Thursday #7 – Kepler

In last week’s Throwback Thursday, we focused on Darwin and the species on our planet. This week we’re focusing on the Kepler spacecraft and the new planets it has discovered. Back in 2011, Kepler discovered several planets orbiting within the habitable zone … Continue reading

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An Aurora Of Marbles

“It looks like a fine collection of aggies. But this grid of embedded swirls and streaks actually follows the dramatic development of planet Earth’s auroral substorms. The sequence of over 600 horizon-to-horizon fisheye images was taken over a 2 hour … Continue reading

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Super Planet Crash

“Can you create a planetary system that lasts for 500 years? Super Planet Crash, the featured game, allows you to try. To create up to ten planets, just click anywhere near the central star. Planet types can be selected on … Continue reading

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The Potsdam Gravity Potato

“Why do some places on Earth have higher gravity than others? Sometimes the reason is unknown. To help better understand the Earth’s surface, sensitive measurments by the orbiting satellites GRACE and CHAMP were used to create a map of Earth’s … Continue reading

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Rosetta’s Selfie

“This Rosetta spacecraft selfie was snapped on October 7th. At the time the spacecraft was about 472 million kilometers from planet Earth, but only 16 kilometers from the surface of comet 67P/Churyumov-Gerasimenko. Looming beyond the spacecraft near the top of … Continue reading

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A Full Circle Rainbow Over Australia

“Have you ever seen an entire rainbow? From the ground, typically, only the top portion of a rainbow is visible because directions toward the ground have fewer raindrops. From the air, though, the entire 360 degree circle of a rainbow … Continue reading

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Rosetta

“On August 3rd, the Rosetta spacecraft’s narrow angle camera captured this stunning image of the nucleus of Comet 67P/Churyumov-Gerasimenko. After 10 years and 6.5 billion kilometers of travel along gravity assist trajectories looping through interplanetary space, Rosetta had approached to … Continue reading

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