Mirror Images: Exploring auroras at each of the poles

Release Date: 
Thursday, February 16, 2006

For Immediate Release

At times, auroral activity occurring in the northern hemisphere is mirrored in the southern hemisphere. The swirls and ripples of auroral rays will occur in unison in each hemisphere. This phenomenon is known as the conjugacy of the aurora. For years, scientists at the Geophyscial Institute at the University of Alaska Fairbanks have studied this effect of the aurora. Although studies are shedding more light on the issue, there isn't a clear-cut formula for when, this mirroring occurs.

Professor of Geophysics Hans Nielsen, of the Geophysical Institute, will discuss the conjugate auroras in a free one-hour lecture on February 20. "Mirror Images: Exploring Auroras at Each of the Poles" will cover the basics on how the aurora is created, and explain research projects that have tried to unlock the mysteries of the mirroring aurora. The lecture begins at 7:15 p.m. in the Wendy Williamson Auditorium on the University of Alaska Anchorage campus. All ages are welcome!

This is the fifth lecture in the 2006 Science for Alaska Lecture Series, an annual event coordinated and sponsored by the Geophysical Institute at the University of Alaska Fairbanks.

Information on all lectures and presenters in the 2006 Science for Alaska Lecture Series may be found online at http://www.scienceforalaska.com.

Hans Nielsen, Professor of Geophysics, UAF: 474-7414
Marc Perry, On-site Coordinator: (907) 786-1260