2 + 1 quantum gravity as a toy model for the 3 + 1 theory

2 - Cosmic Organic Polymers

2 centimeter H2CO emission in the Rho Ophiuchi cloud

2 micron Spectroscopy within 0.3 arcseconds of SgrA*

2 pi-Steradian, Energetic-Ion Sensor

2 types of spicules "observed" in 3D realistic models

2 um Narrow-band Adaptive Optics Imaging in the Arches Cluster

2 um Narrow-Band Imaging of the Sagittarius D H II region

2+1 dimensional magnetically charged solutions in Einstein - Power - Maxwell theory

2+1 dimensional solution of Einstein Cartan equations

2+1 Gravity and Closed Time-Like Curves

2+1 gravity with positive cosmological constant in LQG: a proposal for the physical state

2+1 gravity, chaos and time machines

2+1 Quantum Gravity with Barbero-Immirzi like parameter on Toric Spatial Foliation

2+1 Sector of 3+1 Gravity

2+1-dimensional black holes with momentum and angular momentum

2+1-dimensional electrically charged black holes in Einstein - Power Maxwell Theory

2+1-Gravity and The Embedding its Dynamiycal Symmetry and Para-Supersymmetry into SO(4,c) Group

2-10 keV luminosity of high-mass binaries as a gauge of ongoing star-formation rate

2-100 keV Spectrum of an Actively Star Forming Galaxy