3-He in the Milky Way Interstellar Medium: Ionization Structure
3-loop Yang-Mills Condensate Dark Energy Model And Its Cosmological Constraints
3-minute oscillations at wavelength 1.76 cm in 1992-2006
3-mode detection for widening the bandwidth of resonant gravitational wave detectors
3-point temperature anisotropies in WMAP: Limits on CMB non-Gaussianities and non-linearities
3-pt Statistics of Cosmological Stochastic Gravitational Waves
3. Barred Galaxies
3.1 $μ$m H$_{2}$O Ice Absorption in LINER-Type Ultraluminous Infrared Galaxies with Cool Far-Infrared Colors: the Centrally-Concentrated Nature of Their Deeply Buried Energy Sources
3.2 mm lightcurve observations of (4) Vesta and (9) Metis with the Australia Telescope Compact Array
3.28 micron feature and continuum emission in galaxy nuclei
3.3 and 11.3 micron images of HD 44179 - Evidence for an optically thick polycyclic aromatic hydrocarbon disk
3.4 micron emission from ultraviolet excitation of alkanes
3.4-MM Observations of the Quasi-Stellar Radio Source 3c 279.
3.6-7.9 um Photometry of L and T Dwarfs and the Prevalence of Vertical Mixing in their Atmospheres
3.6/12 cm radio observation of Jupiter during the impact by Comet SL-9
3.6/12 cm radio observation of Jupiter during the impact by Comet SL-9.
3.8-Micron Photometry During the Secondary Eclipse of the Extrasolar Planet HD 209458b
3.9 day orbital modulation in the TeV gamma-ray flux and spectrum from the X-ray binary LS 5039
30 Doradus - a Template for "Real Starbursts"?
30 Doradus as the active centre of the Large Magellanic Cloud