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Showing posts with label History. Show all posts
Showing posts with label History. Show all posts

Sunday, July 22, 2012

Mars Express reveals complex geological history of Mars


The probe photographed last April Melas Dorsa, a volcanic region south of Valles Marineris canyon.
Captured wrinkle ridges, some faults that cross and surrounded by an elliptical crater ejects butterfly-shaped, with the appearance of being liquid.

Saturday, July 14, 2012

Mars Express reveals that Mars has a "complex geological history"


The Mars Express space probe has discovered a wide range of tectonic features and their impact in a volcanic region of Mars reveals that the planet has "a complex geological history." probe photographed last April Meals Dorsa, a volcanic region of southern Valleys Mariners canyon regions located between the Sinai and Thaumasia Plana, reported the European Space Agency (ESA) in a statement.

Thursday, May 31, 2012

The history of the solar storm


A geomagnetic storm turn off the electricity grid in most of Quebec,in march 1989.At that time,  millions of Canadians was leaving without power for hours.In March 1989,The NASA reports,in January 1994 the communications satellite 290 million Anik E2   Canada, was shat down by a solar storm, and took six  months and $ 50-70 million put back into operation.One of the most dangerous contributors to solar storms is a coronal mass ejection (CME), a great cloud of charged particles belched from the sun and sailing through space at supersonic speeds.