O & B stars uvby-Hβ photometry. I. (Kaltcheva+, 1999)
O & B stars uvby-Hβ photometry. II. (Kaltcheva+, 1999)
O Algoritmo usado no programa de criptografia PASME
O I and N2(+) emissions in polar auroras in daytime
O II (83.4 nm) Emission Observation by the Extreme Ultraviolet Sensor onboard the Sounding Rocket SS-520-2
O stars and Wolf-Rayet stars
O the Gravity Gradient at Satellite Altitudes
O the Libration Orbits of a Particle Near the Triangular Point in the Semirestricted Three-Body Problem
O the Luminous Efficiency of Meteors
O the Motion of Explorer XI around its Center of Mass
O VI Emission in Nuclear Region of NGC 1068
O(1) Reversible Tree Navigation Without Cycles
O(1)S 557.7nm and O(1)D 630 nm emissions in shuttle thruster plumes
O(1S) and O(1D) quantum yields from rocket measurements of electron densities and 557.7 and 630.0 NM emissions in the nocturnal F-region
O, Sr, Nd and Pb isotopic composition of the Kasuga cross-chain in the Mariana Arc: A new perspective on the K-h relationship
O-C Gateway, a Collection of Minima Timings
O-Isotope Anomalies: Interpretation in Terms of Presolar Solid and Gas Components and Nebula Fractionation Processes
O-Isotope Composition of the Gas Present During Chondrule Formation as Recorded in CR Chondrites
O-M stars model atmospheres (Bessell+ 1998)
O-Minimal Hybrid Reachability Games