i have a open university physics exam in june and i really need a tutor to help me out with revision,
does anyone know of a degree level physics tutor in the southampton / isle of wight area
i am trying to find our if i look at a UV / IR or visible image of a galaxy will i be seeing more young hot stars or cooler older stars ? i think that young stars will appear blue and the older ones red but im not sure what Wavelength they are primarily emmiting at ?