spaceplasma:

SDO’s Ultra-high Definition View of 2012 Venus Transit

Launched on Feb. 11, 2010, the Solar Dynamics Observatory, or SDO, is the most advanced spacecraft ever designed to study the sun. During its five-year mission, it will examine the sun’s atmosphere, magnetic field and also provide a better understanding of the role the sun plays in Earth’s atmospheric chemistry and climate.  SDO provides images with resolution 8 times better than high-definition television and returns more than a terabyte of data each day.

On June 5 2012, SDO collected images of the rarest predictable solar event—the transit of Venus across the face of the sun.  This event happens in pairs eight years apart that are separated from each other by 105 or 121 years.  The last transit was in 2004 and the next will not happen until 2117.

Credit: NASA

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