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0120911
FLUORESCENT LIGHT, 1930s.
A fluorescent light bulb, 1930s.
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0185904
SPACE: NEBULA.
NGC 7027, a very dense nebula in the constellation Cygnus, about 3,000 light years from Earth, shown during a phase of intense ultraviolet radiation emissions. Composites of photographs taken by the Hubble Space Telescope's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) and Wide Field and Planetary Camera 2, c1997.
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0186299
SPACE: NEBULA, c1999.
A view of the planetary nebula NGC 2440, in the constellation Puppis about 4,000 light years from Earth, illuminated by ultraviolet radiation from its central star, the white dwarf HD62166, one of the hottest known to exist. Photographed by NASA's Hubble Space Telescope, c1999.