quinta-feira, setembro 06, 2012

DESTAQUES !

Earth’s landmasses were not always what they are today. Continents formed as Earth’s crustal plates shifted and collided over long periods of time. This video shows how today’s continents are thought to have evolved over the last 600 million years, and where they’ll end up in the next 100 million years. Paleogeographic Views of Earth’s History provided by Ron Blakey, Professor of Geology, Northern Arizona University.


The Watchers

The Watchers Tweet Tweet NASA’s Solar Dynamics Observatory (SDO) has moved into its second eclipse season of 2012. September 6, 2012, marks the first day of the SDO Fall Eclipse Season. Today’s eclipse lasted 8 minutes and 15 seconds only.  Earth blocks SDO’s view of the sun for a period of time each day. Over the next few days eclipses will grow to about 72 minutes long. From now until September 29, 2012 planet Earth moves through the field...


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