00843nas 2200289 a 450 991014722460332120180328121731.01945-98901945-98901(OCoLC)212412505(CKB)1000000000297428(CONSER) 2008235716(EXLCZ)99100000000029742820080229a20069999 uy aengSpark the AAS education newsletterWashington, D.C. American Astronomical SocietyAAS education newsletterEducation newsletter of the American Astronomical SocietySPARKAstronomyPeriodicalsAstronomy520American Astronomical Society.JOURNAL9910147224603321Spark2146225UNINA