Milky Way Hot and Cold

ESA’s new Herschel Space Observatory and NASA’s Spitzer Space Telescope combine to show the Milky Way at its coldest and hottest. From NASA/JPL/Caltech’s Hidden Universe series.

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Saturn Rare Double Aurorae

Last year, Saturn moved into a rare position that allowed the Hubble Space Telescope to image its northern and southern aurorae at the same time. From ESA’s HubbleCast, with the famous Dr. J.

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Earth 100 Million Years From Now

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.

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Fly Down into the Marianas Trench

This is a flight down into a data visualization of the undersea mountains and trenches of the Pacific Ocean, ending up in the deepest part of the ocean, the Marianas Trench. The “Challenger Deep” is measured at 35,813 feet below the surface, or 10,915 meters. Courtesy of NOAA’s Marine Geology and Geophysics Division.

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Global Temperature Puzzle

The last decade has been measured as the hottest on record all around the globe. This overall result is derived from a patchwork of readings with widely varying effects on local climates. Scientists agree that the change is being spurred by rising levels of carbon dioxide in the atmosphere. This clip was produced by NASA’s Goddard Space Flight Center.

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Space is exciting