XVIII. The Meteorite from Glorieta Mountain, Santa Fe Co., New Mexico.

XVIIth COSPAR meeting preceded by symposium on solar-terrestrial physics, symposium on satellite dynamics, COSPAR workshop and seminar Brazil, June-July 1974

XVIth Meeting of COSPAR and Specialized Symposia

Xvoigt - an Interactive Absorption Line Fitting Program for the X-Window System

XWAS: XMM-2dF Wide Angle Survey

XWeB: the XML Warehouse Benchmark

XX and Ising limits in integral formulae for finite temperature correlation functions of the XXZ chain

XX Andromedae

XX Cam -The Inactive R CrB Star

XX Cep BVRI light curves (Lee+, 2007)

XX Cephei: New Times of Minimum and a Study of the Period

XX Cygni

XX Lyrae

XX model on the circle

XX Ophiuchi

XX Ophiuchi in Deep Minimum after 37 Years

XX Pyxidis: the Mummy returns

XX Virgins an RR Lyrae-type variable with interesting period

XX. CoRoT-20b: A very high density, high eccentricity transiting giant planet

XXIInd National Australian Convention of Amateur Astronomers