Tag Archives: Astronomy Picture of the Day

A Double Eclipse Of The Sun

“Can the Sun be eclipsed twice at the same time? Last Friday was noteworthy because part of the Earth was treated to a rare total eclipse of the Sun. But also on Friday, from a part of the Earth that … Continue reading

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Earth During A Total Eclipse Of The Sun

“What does the Earth look like during a total solar eclipse? It appears dark in the region where people see the eclipse, because that’s where the shadow of the Moon falls. The shadow spot actually shoots across the Earth at … Continue reading

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Volcano Of Fire Erupts Under The Stars

“First, there was an unusual smell. Then there was a loud bang. But what appeared to the eye was the most amazing of all. While waiting near midnight to see a possible eruption of Volcán de Fuego (Volcano of Fire) … Continue reading

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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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