Testing the Apodized Pupil Lyot Coronagraph on the Laboratory for Adaptive Optics Extreme Adaptive Optics Testbed

Testing the Bragg cell of an acousto-optical spectrometer for radio astronomy

Testing the coma of decentration with a confocal Fabry-Perot interferometer

Testing the Consistency of Stellar and Gas Dynamical Black Hole Mass Measurements in AGNs

Testing the diffusion hypothesis as a mechanism of self-healing in Disperse orange 11 doped in PMMA

Testing the general relativistic ``no-hair'' theorems using the galactic center black hole SgrA*

Testing the intrinsic noise of a coil-magnet actuator for cryogenic gravitational wave interferometers

Testing the null corrector using computer-generated holograms

Testing the Optics of the instrument Elmer

Testing the pyramid wavefront sensor on the sky

Testing the reliability of a velocity definition in dispersive medium

Testing the Stellar Coalescence and Accretion Disk Theories of Massive Star Formation with NICMOS

Testing the Telescopes of the CHARA Array

Testing the Vega-Phenomenon: New reflection nebulosities around six debris-disk stars

Testing the VLT AO facility with ASSIST

Testing Theories of Gravity Using Galactic Center Stars

Testing Ultracool Models with Precise Luminosities and Masses

Testing ultrafast mode-locking at microhertz relative optical linewidth

Tests of 4 single-stage image intensifier tubes for solar spectroscopy

Tests of liquid-crystal screens for use in multiobject slit spectroscopy