An exhibition will feature China's pioneering role in the field of astronomy. The Heavenly Creations - Gems of Ancient Chinese Inventions will focus on the world's earliest seismograph; the first people to record a solar eclipse, sunspots, Halley's Comet and supernovae; and an ancient observatory among other evidence which will showcase the country's achievements in the history of mankind. It will be staged between September 29 and January 3 at the Hong Kong Museum of History in Tsim Sha Tsui East. Astronomy is one of the 10 interesting topics covered by the exhibition, where there will be more than 250 items selected from various museums on the mainland. The other topics are: papermaking, printing, the compass, gunpowder, agriculture, textiles, ceramics, metallurgy and metalworking, and machinery. For more information, visit the Provisional Urban Council's Web site at http://www.usd.gov.hk/ hkmh/ or contact the 24-hour information hotline at 1878808. Standard admission fee is HK$20. Full-time students, people with disabilities and senior citizens will enjoy a concessionary fee of HK$10. Admission charges will be waived for groups of 20 or more schoolchildren. Interested schools are required to apply a month in advance. The museum will be closed on Fridays effective from October 1.