Description: [caption id="" align="aligncenter" width="311" caption="IC 4970 and NGC 6872: Galaxy Collision Switches on Black Hole, X-ray: NASA/CXC/SAO/M.Machacek; Optical: ESO/VLT; Infrared: NASA/JPL/Caltech."][/caption] I’m sure you’re familiar with beauties, like the one above, from the Chandra X-ray Observatory. Well, apparently, with “a basic understanding of astronomy data & image
Description: [caption id="attachment_11498" align="aligncenter" width="360" caption="Out of The Depths, or, the Triumph of the Cross by Nellie Arnold Plummer. AHC 2003.0025.1, in its custom clamshell box after full conservation (inset: before treatment condition), Courtesy Nora Lockshin and Anacostia Community Museum."][/caption] The Smithsonian Institution Archives will be