How can the rest-frame spectrum of redshifted light be determined?
9646
How is Doppler redshift of distant galaxies established?
153488
How do you measure wavelength/frequency of light
45625
Is energy content of a system different depending on the observer?
127543
Determining the path of a light ray
111160
Export Wavefront .mtl file -- Where is the reflectance coefficient?
32447
How to plot an emission spectrum?
36482
How can laser interferometry be used to measure path difference smaller than wavelength of laser light?
17066
Light emission from the vicinity of a black hole
20511
Is it possible to experimentally show that observable universe is much larger than ~93B ly?
31156
Is light amplitude spatial?
78333
Does the light color spectrum and frequency matter for photosynthesis?
103041
How is wavelength actually related to space (/distance)?
20412
Frequency of a photon
49776
How to find the mode of a probability density function?
143038
As light from a star spreads out and weakens, do gaps form between the photons?
95879
Other explanation for cosmological redshift?
13269
How would we tell antimatter galaxies apart?