00922cam a2200277 4500 56964768 TxAuBib 20040220120000.0 040220s1984||||||||||||||||||||||||eng|u 85042739 9780064450881 0064450880 (OCoLC)13347988 TxAuBib Branley, Franklyn Mansfield, 1915- Comets / by Franklyn M. Branley ; illustrated by Giulio Maestro. New York : Harper & Row, 1984. 63 p. : col. ill. Describes what has been learned about the composition, orbits, and the existence of several well-known comets (Amazon.) 20040220. Comets. Halley's comet. Solar system Kuiper Belt. Maestro, Giulio, ill. TXLIV