9 Planets, 31 Satellites. (Book Reviews: The Solar System. vol. 3, Planets and Satellites)

9 visual double stars orbital elements (Alzner 1998)

9-um cutoff 640x512 pixel GaAs/AlxGa1-xAs quantum well infrared photodetector handheld camera

9.5 Million Variable Star Observations Coming to You by 2005! (poster)

9.6 μm Wavelength Mixing in a Patterned YBa2Cu3O7-δ Thin Film

9.84 vs. 9.84: The Battle of Bruny and Bailey

90 Antiope CCD Spectrum

90 degree polarization rotator using a bilayered chiral metamaterial with giant optical activity

90 to 180 GHz Heterostructure Monolithic Integrated Doubler

90 years from death of prof. Vojtěch Safařík.

90 years on - the 1919 eclipse expedition at Príncipe

90-Degree Bloch Domain Wall Structure in a Cubic Crystal with a Negative Magnetic Anisotropy

90-degree domain wall relaxation and frequency dependence of the coercive field in the ferroelectric switching process

90-degree Ferroelectric Domains in PbTiO3: Experimental Observation and Molecular Dynamics Simulations

90-mm Astronomical Maksutovs

9000 Jahre Venustransits

905 Universitas CCD Spectrum

905-nm biaxial lidar ceilometer prototype

907 Rhoda CCD Spectrum

908 Buda Average CCD Spectrum