David A. Lien
Highly Influential Citations1
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Abstract The Tempel 2 dust trail was observed extensively by the Infrared Astronomical Satellite. Evidence is presented suggesting that the trails is composed of particles larger than 1 mm in… Continue Reading
DOCUMENT RESUME ED 031 216 JC 690 252 By-Lien, David A. The Role of the Administrator of Vocational Education in the Single College Junior College District, Pub Date 7 Dec 68 Note-27p.; Seminar paper… Continue Reading
Abstract Thermal infrared images of Comet Wilson were obtained on three consecutive days starting on 1987 March 13 UT. The brightness of the nuclear condensation did not vary appreciably during the… Continue Reading
Abstract We present ground-based thermal infrared images of Comet Tempel 2 obtained on UT September 21.29, 21.15, 23.12, and 24.13 1988. At that time the heliocentric and geocentric distances were… Continue Reading