curprev18:0818:08, 13 May 2023 DMackstalkcontribs 22,155 bytes−102 →top: This is enough detail for this use-context, and is also essentially all that is known about this image at all.
curprev17:2117:21, 11 August 2016 50.5.106.186talk 16,754 bytes+2 okay, meters caught the weird effect name edit. but did you just revert the quotation marks back without checking if it was needed? (revert again if yes)undo
curprev20:3820:38, 1 July 2011 Sbharristalkcontribs 15,475 bytes+397 Example absorption lines with the gas NOT between direct source and detector-- rather this is absorption from Raleigh "scatter" as a source.undo
curprev20:2320:23, 1 July 2011 Sbharristalkcontribs 14,904 bytes+543 →Types of line spectra: absorption lines can be produced even in cold gases illuminated at an angle as in looking at the sky opposite the sun. All that is necessary is that the gas be cold, and not itself the source of the glow.undo
curprev10:3810:38, 18 October 2010 Ompilftalkcontribs m13,104 bytes−1 Turned around 'excess or deficiency' in first sentence since photon deficiency corresponds with dark lines, excess with bright lines.undo
