Category Archives: Earth Science

Stunning Astronomy Picture of the Day

The astropic du jour is a gorgeous timelapse of the aurora over Norway. A must see.                   APOD: 2011 March 28 – Time Lapse Auroras Over Norway

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Speaking of Meltdown: Arctic Ice Reaches Maximum, Begins Seasonal Melt

On March 7, 2011, Arctic sea ice likely reached its maximum extent for the year, at 14.64 million square kilometers (5.65 million square miles). The maximum extent was 1.2 million square kilometers (463,000 square miles) below the 1979 to 2000 average … Continue reading

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Red River Rising

Well, not yet, but soon. This year’s record snowpack fell on saturated frozen ground. If spring rains melt it all at once, residents along the Red will face record-breaking floods. There is a huge amount of snow on the ground … Continue reading

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Here Comes The Sun

Uh oh. A very active region of the sun is revolving into view, taking aim at Earth. HERE COMES TROUBLE? A big sunspot is emerging over the sun’s southeastern limb, and it is crackling with activity. NASA’s Solar Dynamics Observatory recorded … Continue reading

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The Quake: Rikuzentakata, Before and After, from NASA

Today’s image from NASA Earth Observatory is of … the city of Rikuzentakata. At the end of a narrow inlet, the city of roughly 8,000 households lost 75 percent of its homes. On March 14, 2011, The Mainichi Daily News declared: “Rikuzentakata … Continue reading

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Floods on the Kitakami River: Before and After

The NASA Earth Observatory page has before and after images of tsunami flooding along the Kitakami River. Flooding along the Kitakami River, Japan : Image of the Day      

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Greenland is Melting

Ok, we knew that. To drive home the point, … NASA has created a remarkable infographic that shows just how alarmingly fast Greenland is melting away. And while the message might be familiar and terrifying, the data viz techniques are … Continue reading

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