NASA's Webb Space Telescope proves cool enough to capture the complex skeletal structure of a distant spiral galaxy. Webb's Mid-InfraRed Instrument (MIRI) must operate at 33 degrees Celsius below the ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 89, No. 22 (Nov. 15, 1992), pp. 10573-10577 (5 pages) The carbonate apatite crystals and the segmented structure ...