Subject
Astrophysics.
Measurement.
Physical measurements.
14
Physics.
14
Astronomy
13
Observations, Astronomical.
13
Optics.
3
Optoelectronics.
3
Plasmons (Physics).
3
Cosmology.
2
Space sciences.
2
Astronomy -- Observations.
1
Astronomy.
1
Atoms.
1
Condensed matter.
1
Fluids.
1
Geophysics.
1
Hadrons.
1
Heavy ions.
1
Measuring instruments.
1
Mechanics.
1
Nuclear physics.
1
Superconductivity.
1
Superconductors.
1
X-ray spectroscopy.
1