Two Notes About Spin in Absolute Parallelism Spaces
Two novel approaches for photometric redshift estimation based on SDSS and 2MASS databases
Two O2 If*/WN6 stars possibly ejected from the massive young Galactic cluster Westerlund 2
Two Outbursts from A:0538-66 in the ROSAT All-Sky Survey
Two pairs of interacting EBs towards the LMC in the OGLE database
Two partially overlapping clouds of different optical properties in the Perseus OB2 association.
Two particle Quantummechanics in 2+1 Gravity using Non Commuting Coordinates
Two patterns of correlated X-ray timing and spectral behaviour in low-mass X-ray binaries
Two periods of the variability in V380 Oph
Two phase galaxy formation: The Evolutionary Properties of Galaxies
Two phase galaxy formation: The Gas Content of Normal Galaxies
Two phase, inward-then-outward migration of Jupiter and Saturn in the gaseous Solar Nebula
Two phases of the interstellar medium in nebulas around quasars
Two photoelectric UBVRI sequences in the bar of the Small Magellanic Cloud
Two physical characteristics of numerical apparent horizons
Two Physically Distinct Populations of Low-Ionization Nuclear Emission-Line Regions
Two planetary nebulae in the Sagittarius Dwarf Galaxy
Two planetary nebulae with tori of different development.
Two planets orbiting the recently formed post-common envelope binary NN Serpentis
Two populations among the metal-poor field RR Lyrae stars