Tag Archives: Astronomy Picture of the Day

How To Identify That Light In The Sky

“What is that light in the sky? Perhaps one of humanity’s more common questions, an answer may result from a few quick observations. For example — is it moving or blinking? If so, and if you live near a city, the … Continue reading

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Falling To Earth

“What would it be like to fall to Earth from really high up? A new record for the highest jump was accomplished in 2012 by Felix Baumgartner. Surpassing the previous record of 31.3 kilometer plummet, Baumgartner, in a commercial venture, jumped off a floating balloon … Continue reading

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A Supercell Storm Cloud Forming Over Wyoming

“How do supercell storm clouds form? Pictured above is a time-lapse video taken last Sunday detailing the formation of one such violent supercell in eastern Wyoming, USA. Starting as part of a large and dark thunderstorm complex, the supercell comes together along with a large rotating updraft … Continue reading

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Illustris Simulation

“The Illustris simulation is the most ambitious computer simulation of our Universe yet performed. The calculation tracks the expansion of the universe, the gravitational pull of matter onto itself, the motion of cosmic gas, as well as the formation of … Continue reading

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That Night Over Half Dome

“Captured one night last May this eight frame mosaic starts on the left, down Northside Drive through Yosemite National Park. It ends thousands of light-years away though, as the arc of the Milky Way tracks toward the center of our galaxy on the right, far … Continue reading

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The Sun Rotating

“Does the Sun change as it rotates? Yes, and the changes can vary from subtle to dramatic. In the above time-lapse sequences, our Sun — as imaged by NASA‘s Solar Dynamics Observatory — is shown rotating though the entire month of January. In the … Continue reading

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Time Lapse – The Aurora

“Sometimes, after your eyes adapt to the dark, a spectacular sky appears. Such was the case in 2011 March when one of the largest auroral displays in recent years appeared over northern locations like the border between Norway and Russia. Pictured in the above time-lapse … Continue reading

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Reflections On Planet Earth

“Catching sight of your reflection in a store window or shiny hubcap can be entertaining and occasionally even inspire a thoughtful moment. So consider this reflective view from 300 kilometers above planet Earth. The picture is actually a self-portrait taken by astronaut Michael Fossum on July 8, 2006 … Continue reading

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In The Shadow Of Saturn

The images taken by the Cassini space probe are fast becoming some of my favourite images. I can now add to the growing list this stunning image of Saturn (APOD). “In the shadow of Saturn, unexpected wonders appear. The robotic Cassini … Continue reading

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Saturn From Above

“This image of Saturn could not have been taken from Earth. No Earth based picture could possibly view the night side of Saturn and the corresponding shadow cast across Saturn’s rings. Since Earth is much closer to the Sun than Saturn, only the day side of the ringed … Continue reading

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