Image: NASA's SDO observes a lunar transit

Image: NASA's SDO observes a lunar transit
By blending different SDO wavelengths, we can get an enhanced image of the sun. The left image was taken in 304 wavelength, the middle in 171 wavelength, and the right shows the blended result. Credit: NASA/SDO

On July 26, 2014, from 10:57 a.m. to 11:42 a.m. EDT, the moon crossed between NASA's Solar Dynamics Observatory and the sun, a phenomenon called a lunar transit.

This happens approximately twice a year, causing a that can only be seen from SDO's point of view. Images of the eclipse show a crisp lunar horizon, because the moon has no atmosphere that would distort light.

Image: NASA's SDO observes a lunar transit

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Citation: Image: NASA's SDO observes a lunar transit (2014, July 29) retrieved 19 April 2024 from https://phys.org/news/2014-07-image-nasa-sdo-lunar-transit.html
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Solar Dynamics Observatory sees lunar transit

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