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Solar-like differential rotation pattern
February 11, 2014

HAO's Mausumi Dikpati proposes thermal forcing as the likely candidate for meridional circulation flow braking.

February 10, 2014

Liang Zhao—University of Michigan scientist and recent HAO/LSV postdoc—has authored an Astrophysical Journal paper with co-authors Enrico Landi (University of Michigan) and Sarah Gibson (HAO/LSV). The paper is titled "Two Novel Parameters to Evaluate the Global Complexity of the Sun’s Magnetic Field and Track the Solar Cycle".

Roble with peers
January 28, 2014

HAO is privileged to announce that Dr. Ray Roble was awarded the William Bowie Medal. He received AGU’s highest honor for his pioneering research into Earth’s upper atmosphere at this year’s AGU meeting in San Francisco. The Bowie Medal was established in 1939 in honor of AGU's founding president.

January 21, 2014

A very important aspect of HAO’s science is the HAO Visitor Program. Recently, HAO was fortunate to host a five-month visit by visiting scientists Drs. Jiuhou Lei and Xiaoli Luan from the School of Earth and Space Sciences, University of Science and Technology of China.

Observing the Quiet Sun
November 18, 2013

Since the dawn of the Space Age in the 1950s, solar maxima have coincided with strong upticks in sunspot activity but the current cycle, Cycle 24, which was expected to peak in Spring of 2013, has been unusually quiet.

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