Examlex
A certain spectral line of rest wavelength lrest (i.e., laboratory value) is shifted by 100 nm in a quasar.A second line from the same quasar with a rest wavelength half the (rest) value of the first one would be shifted by
Microbiologic Tests
Laboratory tests conducted to identify or quantify microorganisms, such as bacteria and viruses, in samples.
Hematologic Tests
Medical examinations of blood to diagnose diseases related to blood cells and clotting functions.
Optical Microscope
A microscope that uses light, concentrated through a condenser and focused through the object being examined, to project an image.
Condenser
A device used to condense a gaseous substance into a liquid or solid state, typically by cooling it.
Q7: Redshift z = v<sub>r</sub>/c, where v<sub>r</sub>
Q31: Why is there increased drag on spacecraft
Q42: Roughly what percentage of the total mass
Q43: Astronomers estimate distances to large numbers of
Q62: If you want to look for old
Q75: The best wavelength to use to observe
Q76: The most distant galaxies detected at z
Q81: Suppose coronal holes covered a larger fraction
Q83: How did the presence of cyanobacteria on
Q97: Why did Big Bang nucleosynthesis only produce