University of Hawaii Institute for Astronomy
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IfA Publications

For immediate release
February 5, 2008


Dr. James "J.D." Armstrong
Maui Technology Education & Outreach Specialist
Institute for Astronomy, Maui

Ms. Claudine Wales
Administrative Specialist
Institute for Astronomy, Maui

High-Resolution Photos:

solar flare thumbnail
4.9 Mb TIF

Ilia Roussev
Ilia Roussev JPEG


Institute for Astronomy
Director's Office
2680 Woodlawn Drive
Honolulu, Hawaii 96822
Telephone: 1-808-956-8566
Fax: 1-808-946-3467

Maintained by LG


Maui Public Talk: Stormy Weather in Space

computer model of solar flare
A computer model of a solar flare (I. Roussev).

Dr. Ilia Roussev will give a talk entitled "Stormy Weather in Space" at 6:30 p.m. on Friday, February 15. This is the next Maui Maikalani Community Lecture sponsored by the University of Hawaii Institute for Astronomy at the IfA Maikalani building in Pukalani.

Even on calm days, the Sun hurls into space a billion-ton cloud of charged particles about once every 48 hours. These large-scale mass ejections from the solar atmosphere are associated with flares. The charged particles that strike our planet can disrupt satellites and knock out electrical power. Along with intense X-ray radiation from flares, they can also endanger astronauts. For these and other reasons, it is important to understand and predict the ever-changing environmental conditions in outer space due to solar storms—the "space weather." This talk presents our current understanding of space weather and our attempts to forecast it.

Dr. Roussev is an assistant astronomer with expertise in solar physics at the University of Hawaii Institute for Astronomy. He obtained a master's degree in physics and astronomy from the Physics Department of Sofia University in his native Bulgaria in 1995 and his PhD in physics from the Queen's University at Belfast (Northern Ireland) in 2001. An expert in computational modeling of the solar atmosphere and solar wind, he joined IfA's faculty in 2006. Prior to that, Dr. Roussev worked at the High Altitude Observatory in Boulder, Colorado, and at the University of Michigan in Ann Arbor, Michigan. He has coauthored over 60 scientific papers, is an active participant in numerous professional organizations, and has co-organized a number of professional meetings and summer schools for graduate students.

The address of Maikalani, also known as the Advanced Technology Research Center, is 34 Ohia Ku Street, Pukalani, above Kamehameha Schools in the Kulamalu Town Center (the first light after King Kekaulike High School, just off Kula Highway). For a map, go to

Admission is free, and street parking is available. For more information, call 573-9500 on Maui.

Founded in 1967, the Institute for Astronomy at the University of Hawaii at Manoa conducts research into galaxies, cosmology, stars, planets, and the sun. Its faculty and staff are also involved in astronomy education, deep space missions, and in the development and management of the observatories on Haleakala and Mauna Kea.

Established in 1907 and fully accredited by the Western Association of Schools and Colleges, the University of Hawaii is the state's sole public system of higher education. The UH System provides an array of undergraduate, graduate, and professional degrees and community programs on 10 campuses and through educational, training, and research centers across the state. UH enrolls more than 50,000 students from Hawaii, the U.S. mainland, and around the world.




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