TY - SER AU - ED - Amateur Astronomers' Association ED - Hayden Planetarium ED - Buhl Planetarium and Institute of Popular Science TI - Sky & telescope : the essential magazine of astronomy SN - 0037-6604 U1 - 520 PY - 2003/// CY - Cambridge, Mass PB - Sky Publ. Corp. KW - Astronomie KW - gnd KW - Zeitschrift KW - Astronomy magazine monthly publication N1 - Beteil. Körp. anfangs: Amateur Astronomers' Association; American Museum of Natural History, New York, Hayden Planetarium; Buhl Planetarium and Institute of Popular Science, Pittsburgh; Repr.: New York, NY : Johnson; Darin: Sky-gazer's almanac N2 - This August 2003 issue features the cover story: 'Where Is Mars Hiding Its Water?' "Long ago Mars was ravaged by a series of huge floods and may even have sported an ocean (insets). Today the red planet is crowned with icy caps pf water and carbon dioxide. But the planet must be hiding much more water, somewhere. Does a vast reservoir lie frozen beneath its surface? Planetary scientist Stephen M. Clifford explores the evidence for a once-wet Mars beginning on page 30." ER -