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

  • Released Tuesday, June 5, 2012

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 lasted approximately 6 hours and happens in pairs eight years apart, which are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.

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.

193 Showing Venus completely off the limb and backlit by only the corona.

193 Showing Venus completely off the limb and backlit by only the corona.



Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center/SDO

Release date

This page was originally published on Tuesday, June 5, 2012.
This page was last updated on Monday, July 15, 2024 at 12:11 AM EDT.


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