Newspaper article St Louis Post-Dispatch (MO)

20 Years of Changing Seasons on Earth Packed into 2 Minutes

Newspaper article St Louis Post-Dispatch (MO)

20 Years of Changing Seasons on Earth Packed into 2 Minutes

Article excerpt

CAPE CANAVERAL, Fla. * NASA captured 20 years of changing seasons in a striking new global map of the home planet.

The data visualization, released this week, shows Earth's fluctuations as seen from space.

The polar ice caps and snow cover are shown ebbing and flowing with the seasons. The varying ocean shades of blue, green, red and purple depict the abundance or lack of undersea life.

"It's like watching the Earth breathe. It's really remarkable," said NASA oceanographer Jeremy Werdell, who took part in the project.

Two decades from September 1997 to this past September are crunched into 2 minutes of viewing. The video can be seen at www.nasa.gov

Werdell finds the imagery mesmerizing.

"It's like all of my senses are being transported into space, and then you can compress time and rewind it, and just continually watch this kind of visualization," he said Friday. …

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