200 MeV Ag+15 ion irradiation created columnar defects and enhanced critical current density of La-2125 type superconducting thin films
200 Mpc Sized Structure in the 2dF QSO Redshift Survey
200 Newton Bipropellant Thruster Development
200 ps Vortex Core Reversal by Azimuthal Spin Waves
200,000 variable star observations
200-μm ISO observations of NGC 6946: evidence for an extended distribution of cold dust
2000 A UV imaging of a 6 deg diameter field around MU Aurigae
2000 A UV imaging of a 6 deg diameter field around the H and Chi Persei double cluster
2000 AA6
2000 AB229
2000 AB246
2000 AB246
2000 AB6
2000 AB6
2000 AC229
2000 AC6
2000 AC6
2000 AD205
2000 AD205
2000 AD6