A new window on the universe

Using new tools to look at the universe, says Patrick Brady, often has led to discoveries that change the course of science. History is full of examples. Galileo was the first person to use the telescope to view the cosmos, says Brady, a UWM professor of physics. His observations with the new technology led to the discovery of moons orbiting Jupiter and lent support to the heliocentric model of the solar system........ Read more…

Arctic sea ice melts to second worst on record (AP)

27.08.2008 11:26 Space - Source: Yahoo space

WASHINGTON - New satellite measurements show that crucial sea ice in the Arctic Ocean has plummeted to its second lowest level on record.

The National Snow and Ice Data Center in Boulder, Colo., announced Wednesday that the extent of sea ice in the Arctic is down to 2.03 million square miles. The lowest point on record is 1.65 million square miles set last September. With about three weeks left in the melt season, the record may fall, scientists say.

Arctic ice always melts in summer and refreezes in winter. But over the years, more and more of the ice is lost to the sea and not recovered in winter. That's important because the Arctic acts as a refrigerator for the globe.

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