Ultra-high Definition View of 2012 Venus TransitJune 6th, 2012 at 8:47 pm by Jim Spencer under Weather
Over a six-hour period on June 5-6 2012, the Solar Dynamics Observatory (SDO) collected images in many wavelengths of one of the rarest predictable solar events: the transit of Venus across the face of the sun. These transits occur 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.
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.
The videos and images displayed here are constructed from several wavelengths of extreme ultraviolet light and a portion of the visible spectrum. The red colored sun is the 304 angstrom ultraviolet, the golden colored sun is 171 angstrom, the magenta sun is 1700 angstrom, and the orange sun is filtered visible light. 304 and 171 show the atmosphere of the sun, which does not appear in the visible part of the spectrum.
This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010996/index.html
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