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All Posts by Crystal M. Tinch

Chi Yuan (1937 - 2008)

Chi Yuan graduated from the National Taiwan University in1959, and received his Masters of Science degree from the University of Florida in 1962, and his Doctor of Philosophy from the University of Michigan in 1966. He was a postdoctoral fellow with Professor C.C. Lin at MIT for three years, before taking his faculty post at the City College of New York in 1969. He attained full professorship at CCNY in 1981.

Tom C. Van Flandern (1940 - 2009)

Dr. Thomas Charles Van Flandern, an expert in celestial mechanics and cosmology, died January 9, 2009 in Seattle, Washington, of colon cancer. He was 68. Van Flandern was an astronomer at the U.S. Naval Observatory from 1963 to 1983. He developed software to predict and analyze lunar occultations to improve lunar orbital and fundamental star catalog data. In later years he championed increasingly controversial theories.

Guidelines for Contributors

SPARK publishes original articles on astronomy education about or related to the education programs and activities of the American Astronomical Society and its members. Reading previous issues will give you an idea of the types of articles that appear in the Newsletter. Opinion pieces, reviews, letters to the editor, newsworthy items are all welcome, subject to the guidelines below.

2015 AAS Wall Calendar

Deadline: 1 September

The AAS maintains an online Calendar and distributes a printed Wall Calendar. The online Calendar includes important dates, such as proposal and grant deadlines and astronomical meetings. The printed Membership Calendar includes important dates and AAS sponsored meetings.

Sponsors receive selection of a photo layout page, 250 words of text and sponsorship recognition in the calendar front matter. For only $2,250, your institution or department can show support for the whole astronomical community and be featured prominently in astronomers' offices across the country.

Sponsors and potential sponsors for future AAS calendars are reminded that sponsorship space is provided on a first-come, first-served basis. Groups interested in sponsoring a month may contact Crystal Tinch for more information and pricing details. Deadline for sponsorship is 1 September.

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